An election in which voters choose each party's nominee for the general election.
Read more: How elections work
See also: Open primary, Closed primary, Caucus
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Cloture, certiorari, continuing resolution: the words that make government news hard to follow, defined in a sentence or two and linked to the full story.
164 terms
Government has its own vocabulary, and a lot of it shows up in the news without any explanation. This glossary gives each term a short definition, then links to the page on this site that tells the whole story, with the history, the numbers, and the sources behind it.
Type in the search box to filter the list, or jump to a letter. Terms that are closely related point to each other under "See also," so you can follow a topic from one word to the next.
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A bill that has passed both chambers of Congress (or of a state legislature) and become law.
Read more: How a bill becomes law
The Senate's constitutional role in approving treaties, which takes two-thirds of senators present, and in confirming the president's nominees for judges, ambassadors, and top officials, which takes a simple majority.
Read more: The U.S. Senate
See also: Treaty, Recess appointment
A formal change to the Constitution. Two-thirds of both houses of Congress (or a convention called by two-thirds of the states) propose it, and three-fourths of the states must ratify it. Twenty-seven amendments have been ratified.
Read more: The constitutional amendments
See also: Ratification, Bill of Rights
Latin for "friend of the court": a person or group that is not a party to a case but files a brief to give the court more information or arguments.
Read more: How cases reach the Supreme Court
See also: Brief
A court that reviews a lower court's decision for legal mistakes. It does not hold a new trial or hear new witnesses.
Read more: How the federal courts are organized
See also: Court of appeals, District court
Dividing the 435 seats in the U.S. House of Representatives among the states according to population, using the count from each census.
Read more: The census and apportionment
See also: Census, Redistricting
Laws that give federal agencies the legal authority to spend money from the Treasury for specific purposes. Congress is supposed to pass the regular appropriations bills before each fiscal year begins on October 1.
Read more: How the federal budget works
See also: Authorization, Continuing resolution, Fiscal year
The first U.S. constitution, in effect from 1781 until the Constitution replaced it in 1789. It set up a weak national government with no president, no national courts, and no power to tax.
Read more: Before the Constitution
See also: Constitution, Framers
Protection for a person in the United States who fears persecution in their home country because of race, religion, nationality, political opinion, or membership in a particular social group.
Read more: Immigration explained
See also: Green card, Naturalization
Money or other security a court sets so an arrested person can be released while awaiting trial. The 8th Amendment forbids excessive bail.
Read more: The Bill of Rights
See also: Bill of Rights
A question voters decide directly, such as a proposed law or constitutional amendment. An initiative reaches the ballot by citizen petition; a referendum is sent to voters by the legislature.
Read more: How elections work
See also: Primary election
Having two legislative chambers. Congress is bicameral (the House and the Senate), and so are 49 of the 50 state legislatures; Nebraska's has one chamber.
Read more: One chamber or two?
See also: Unicameral, Congress
A proposed law introduced in Congress or a state legislature. It becomes an act, or law, only after it passes both chambers and is signed or a veto is overridden.
Read more: How a bill becomes law
A law that declares a person or group guilty of a crime and punishes them without a trial. Article I of the Constitution bans both Congress and the states from passing one.
Read more: The full Constitution
See also: Ex post facto law
The first ten amendments to the Constitution, ratified in 1791. They protect freedoms such as speech, religion, and the press, and the rights of people accused of crimes.
Read more: The Bill of Rights
See also: Amendment, Civil liberties
Supported by members of both major political parties.
Read more: The history of political parties
See also: Partisan, Political party
Federal money given to state or local governments for a broad purpose, such as community development, leaving them wide freedom over exactly how to spend it.
Read more: Where the federal budget goes
See also: Discretionary spending
A written argument that a party, or an amicus curiae, files with a court to explain the facts and the law on its side.
Read more: How cases reach the Supreme Court
See also: Amicus curiae
A plan that the House and Senate adopt to set total spending and revenue levels for the coming fiscal year. It does not go to the president and is not a law.
Read more: How the federal budget works
See also: Reconciliation, Appropriations
The heads of the 15 executive departments, plus other officials the president gives Cabinet rank, who run the departments and advise the president.
Read more: The president's Cabinet
See also: Executive branch, Line of succession
The rules for how candidates, parties, and outside groups raise and spend money in elections. The Federal Election Commission enforces the federal rules.
Read more: Campaign finance
Either a meeting where party members pick candidates or convention delegates, or a group of lawmakers organized around a party or a shared interest.
Read more: How elections work
See also: Primary election
The count of every person living in the United States, taken every 10 years as Article I of the Constitution requires. It decides how many House seats each state gets.
Read more: The census and apportionment
See also: Apportionment, Redistricting
The system that lets each branch of government limit the others, such as the president's veto, the Senate's power to confirm nominees, and the courts' power of judicial review.
Read more: Separation of powers
See also: Separation of powers, Judicial review, Veto
The presiding judge of the U.S. Supreme Court. The Chief Justice also presides over a Senate impeachment trial of a president.
Read more: The Supreme Court
See also: Supreme Court, Impeachment
Legal membership in the nation. Under the 14th Amendment, people born in the United States are citizens; others can become citizens through naturalization.
Read more: The path to citizenship
See also: Naturalization, Green card
Personal freedoms the government may not take away, most of them listed in the Bill of Rights, such as freedom of speech and religion.
Read more: The Bill of Rights
See also: Civil rights, Bill of Rights
The guarantee of equal treatment under the law, such as protection from discrimination because of race, sex, or religion.
Read more: The civil rights movement
See also: Civil liberties, Equal protection, Jim Crow
A primary election in which only voters registered with a party may vote to choose that party's nominees.
Read more: How elections work
See also: Open primary, Primary election
The Senate procedure for ending debate so a vote can happen. For most bills it takes three-fifths of the Senate, which is 60 votes when every seat is filled.
Read more: The filibuster
See also: Filibuster
The president's role, under Article II of the Constitution, as the top commander of the U.S. armed forces. Congress, not the president, has the power to declare war.
Read more: The president's powers
See also: Declaration of war, War Powers Resolution
A smaller group of lawmakers that studies bills, holds hearings, and oversees part of the government before legislation reaches the full chamber.
Read more: How a bill becomes law
See also: Bill, Conference committee, Oversight
Powers that both the federal government and the states hold, such as taxing, borrowing money, and setting up courts.
Read more: The Founders' choice
See also: Federalism, Reserved powers, Enumerated powers
A judge's written opinion that agrees with the court's decision but gives different or additional reasons.
Read more: The Supreme Court
See also: Dissenting opinion
A temporary joint committee of House and Senate members that works out the differences between the two chambers' versions of a bill.
Read more: How a bill becomes law
The legislative branch of the federal government, made up of the Senate and the House of Representatives.
Read more: One chamber or two?
See also: House of Representatives, Senate, Legislative branch
A person who lives in the district or state an elected official represents.
Read more: One chamber or two?
See also: Incumbent
The supreme law of the United States. Written in 1787 and in effect since 1789, it sets up the three branches of government and limits their power.
Read more: The full Constitution
See also: Amendment, Supremacy Clause, Framers
A temporary spending law that keeps the government funded, usually at the previous year's levels, when the regular appropriations bills are not finished on time.
Read more: Continuing resolutions and shutdowns
See also: Appropriations, Government shutdown
One of the 13 federal appellate courts, also called circuit courts, that sit below the Supreme Court and review decisions of the district courts.
Read more: How the federal courts are organized
See also: Appellate court, District court
The legal limit Congress sets on how much the Treasury may borrow. Raising it does not approve new spending; it lets the government pay for spending Congress already approved.
Read more: The national debt
See also: National debt, Deficit
The statement adopted by the Second Continental Congress on July 4, 1776, announcing that the 13 colonies were independent of Great Britain and explaining why.
Read more: Before the Constitution
See also: Articles of Confederation, Framers
A formal vote by Congress, which alone has this power under Article I, that the United States is at war. Congress last declared war in 1942, during World War II.
Read more: U.S. military history
See also: War Powers Resolution, Commander in Chief
The amount by which federal spending is larger than federal revenue in a single year. The government borrows to cover it.
Read more: The national debt
See also: National debt, Surplus
A non-voting member of the House who represents Washington, D.C., or a U.S. territory. Delegates, and Puerto Rico's Resident Commissioner, can vote in committee but not on final passage of bills.
Read more: The House of Representatives
See also: Territory, House of Representatives
Government in which power comes from the people, who rule either directly or through representatives they elect.
Read more: Types of government
See also: Republic, Popular sovereignty
Federal spending that Congress decides each year through appropriations, such as defense, education, and transportation.
Read more: Where the federal budget goes
See also: Mandatory spending, Appropriations
A judge's written opinion that disagrees with the court's decision. A dissent has no legal force, but later courts sometimes adopt its reasoning.
Read more: How cases reach the Supreme Court
See also: Concurring opinion, Precedent
A federal trial court, where cases start, witnesses testify, and juries decide facts. There are 94 federal district courts.
Read more: How the federal courts are organized
See also: Court of appeals, Jurisdiction
Being tried twice for the same crime. The 5th Amendment forbids it once a person has been acquitted or convicted.
Read more: The Fifth Amendment
See also: Self-incrimination, Due process
The guarantee in the 5th and 14th Amendments that the government cannot take a person's life, liberty, or property without fair legal procedures.
Read more: The Fourteenth Amendment
See also: Equal protection
The system that elects the president. Each state gets electors equal to its House seats plus its two senators, Washington, D.C., gets three, and a candidate needs 270 of the 538 electoral votes to win.
Read more: The Electoral College
See also: Swing state, Popular sovereignty
President Lincoln's order, effective January 1, 1863, declaring enslaved people in the Confederate states free. The 13th Amendment ended slavery everywhere in the country in 1865.
Read more: The Civil War
See also: Reconstruction
The government's power to take private property for public use. The 5th Amendment requires the owner to be paid just compensation.
Read more: Eminent domain
See also: Due process
A government program whose benefits are owed by law to everyone who meets its requirements, such as Social Security and Medicare.
Read more: Where the federal budget goes
See also: Mandatory spending, Social Security, Medicare
The powers the Constitution specifically gives Congress, most of them listed in Article I, Section 8, such as taxing, borrowing, regulating trade, and declaring war.
Read more: The full Constitution
See also: Implied powers, Necessary and Proper Clause, Reserved powers
The 14th Amendment's requirement that states treat people equally under the law.
Read more: The Fourteenth Amendment
See also: Due process, Civil rights
The part of the 1st Amendment that bars the government from setting up an official religion or favoring one religion over others.
Read more: Separation of church and state
See also: Free Exercise Clause, First Amendment
A law that punishes an act that was legal when it was done, or increases the punishment after the fact. Article I of the Constitution bans them.
Read more: The full Constitution
See also: Bill of attainder
The branch that carries out and enforces the laws, headed by the president and including the vice president, the Cabinet, and the federal agencies.
Read more: The president's powers
See also: Cabinet, Separation of powers
A written directive from the president telling federal agencies how to carry out the law. It must rest on authority from the Constitution or a law, and a later president can revoke it.
Read more: Executive orders
See also: Regulation, Executive branch
The president's claim of a right to keep some internal communications confidential. In United States v. Nixon (1974), the Supreme Court recognized it but ruled that it is not absolute.
Read more: Executive orders vs. laws
See also: Separation of powers, Oversight
The central bank of the United States, created in 1913. It sets monetary policy, supervises banks, and works to keep prices stable and employment high.
Read more: The Federal Reserve
See also: Monetary policy
The division of power between the national government and the state governments, each with its own responsibilities.
Read more: The Founders' choice
See also: Reserved powers, Concurrent powers, Supremacy Clause
Long debate or other delaying tactics used in the Senate to block a vote. Ending one usually takes 60 votes for cloture.
Read more: The filibuster
See also: Cloture, Reconciliation
The amendment that protects freedom of religion, speech, the press, peaceful assembly, and petitioning the government.
Read more: The First Amendment
See also: Establishment Clause, Free Exercise Clause, Civil liberties
The federal government's budget year, which runs from October 1 to September 30 and is named for the calendar year in which it ends.
Read more: How the federal budget works
See also: Appropriations, Continuing resolution
The Freedom of Information Act of 1966, which lets anyone request records from federal agencies. Agencies must release them unless one of nine exemptions applies.
Read more: FOIA and government transparency
See also: Oversight
The delegates who wrote the Constitution at the Philadelphia convention of 1787. Fifty-five attended, and 39 signed the finished document.
Read more: The Framers
See also: Constitution, Three-Fifths Compromise
The part of the 1st Amendment that protects the right to practice one's religion.
Read more: Separation of church and state
See also: Establishment Clause, First Amendment
Article IV of the Constitution, which requires each state to respect the public laws, records, and court judgments of the other states.
Read more: The full Constitution
See also: Federalism
Drawing election district lines to give one party or group an unfair advantage.
Read more: Redistricting and gerrymandering
See also: Redistricting, Apportionment
A halt to non-essential federal work that happens when Congress has not passed appropriations or a continuing resolution in time. Essential services keep running.
Read more: Continuing resolutions and shutdowns
See also: Continuing resolution, Appropriations
A group of citizens that hears evidence in secret and decides whether there is enough to formally charge someone with a serious federal crime.
Read more: Jury duty and the courts
See also: Indictment, Jury
The card that proves lawful permanent residence in the United States. Most green card holders can apply for citizenship after five years, or three if married to a U.S. citizen.
Read more: The path to citizenship
See also: Naturalization, Citizenship
A court order requiring that a person being held be brought before a judge, who decides whether the detention is legal. The Constitution allows suspending it only during rebellion or invasion.
Read more: The full Constitution
See also: Due process
The chamber of Congress with 435 voting members. Seats are divided among the states by population, and every member is elected every two years.
Read more: The House of Representatives
See also: Senate, Speaker of the House, Apportionment
The House's formal charge against a federal official for "Treason, Bribery, or other high Crimes and Misdemeanors." The Senate then holds a trial, and removal takes a two-thirds vote of senators present.
Read more: Impeachment
See also: Chief Justice, Checks and balances
Powers the Constitution does not list but that Congress can use to carry out its listed powers, based on the Necessary and Proper Clause. The Supreme Court upheld them in McCulloch v. Maryland (1819).
Read more: Landmark Supreme Court cases
See also: Necessary and Proper Clause, Enumerated powers
The ceremony where a new president takes the oath of office written in Article II. Since the 20th Amendment, the term begins at noon on January 20.
Read more: The president's powers
See also: Lame duck
A tax on what people and businesses earn. The 16th Amendment, ratified in 1913, lets Congress collect it, and the IRS administers it.
Read more: The IRS
See also: IRS, Payroll tax
The person who currently holds an office, often running for re-election.
Read more: Midterm elections
See also: Constituent
A formal charge of a serious crime, issued by a grand jury after it finds enough evidence to put someone on trial.
Read more: Jury duty and the courts
See also: Grand jury
An organization of people who share a goal and try to influence public policy, such as a trade association, labor union, or advocacy group.
Read more: Lobbying and interest groups
The Internal Revenue Service, the bureau of the Treasury Department that collects federal taxes and enforces the tax laws.
Read more: The IRS
See also: Income tax
State and local laws that enforced racial segregation and kept Black Americans from voting, mainly in the South, from the late 1800s until the civil rights laws of the 1960s.
Read more: The civil rights movement
See also: Civil rights, Poll tax, Literacy test
The branch that interprets the law and decides cases: the Supreme Court and the lower federal courts.
Read more: The Supreme Court
See also: Supreme Court, Judicial review
The power of courts to strike down laws or government actions that violate the Constitution, established by the Supreme Court in Marbury v. Madison (1803).
Read more: Landmark Supreme Court cases
See also: Unconstitutional, Checks and balances
A court's legal authority to hear a particular kind of case, or cases from a particular place.
Read more: How the federal courts are organized
See also: District court, Appellate court
A group of citizens chosen to decide the facts in a trial. The 6th and 7th Amendments guarantee jury trials in criminal cases and in many civil cases.
Read more: Jury duty and the courts
See also: Grand jury
An official still serving after a successor has been elected. The 20th Amendment (1933) shortened this period by moving the start of new terms from March to January.
Read more: The current amendments
See also: Inauguration
The branch that makes the laws: Congress, made up of the Senate and the House of Representatives.
Read more: Legislative vs. executive powers
See also: Congress, Separation of powers
The order in which officials take over if the presidency is vacant: the vice president, then the Speaker of the House, the president pro tempore of the Senate, and the Cabinet secretaries in a set order.
Read more: Presidential succession
See also: Twenty-fifth Amendment, Speaker of the House
A reading test once used to keep Black Americans and others from voting. The Voting Rights Act of 1965 suspended these tests where discrimination was worst, and a 1975 amendment banned them nationwide for good.
Read more: Voting rights
See also: Poll tax, Voting Rights Act
Trying to influence lawmakers or officials on behalf of a person or group. Federal lobbyists must register and report their work under the Lobbying Disclosure Act of 1995.
Read more: Lobbying and interest groups
See also: Interest group, Campaign finance
The leader of the party with the most seats in a chamber. In the Senate, the majority leader largely decides which bills and nominations reach the floor.
Read more: The Senate majority leader
See also: Minority leader, Whip
Federal spending required by laws already on the books, such as Social Security and Medicare, which does not need a new vote each year.
Read more: Where the federal budget goes
See also: Discretionary spending, Entitlement
A health coverage program for people with low incomes, paid for jointly by the federal government and the states and run by each state. It was created in 1965.
Read more: Health and Human Services
See also: Medicare, Entitlement
The federal health insurance program for people 65 and older and for some younger people with disabilities, created in 1965.
Read more: Health and Human Services
See also: Medicaid, Payroll tax
The federal election held halfway through a president's four-year term, when all 435 House seats and about one-third of Senate seats are on the ballot.
Read more: Midterm elections
See also: Incumbent, Primary election
The leader of the party with fewer seats in a chamber, who speaks for that party and organizes its members.
Read more: The Senate majority leader
See also: Majority leader, Whip
The warnings police must give a person in custody before questioning, including the right to stay silent and to have a lawyer, from the Supreme Court's decision in Miranda v. Arizona (1966).
Read more: The Fifth Amendment
See also: Self-incrimination
The Federal Reserve's management of interest rates and the money supply to keep prices stable and employment high.
Read more: The Federal Reserve
See also: Federal Reserve
The total amount the federal government owes, built up from years of deficits.
Read more: The national debt
See also: Deficit, Debt ceiling
The legal process by which a person who was not born a U.S. citizen becomes one, which includes an interview, an English test, and a civics test.
Read more: The path to citizenship
See also: Citizenship, Green card
The last clause of Article I, Section 8, which lets Congress make laws needed to carry out its listed powers. It is also called the Elastic Clause.
Read more: Landmark Supreme Court cases
See also: Implied powers, Enumerated powers
A primary election in which voters can choose which party's primary to vote in without registering with that party.
Read more: How elections work
See also: Closed primary, Primary election
Congress's review of how federal agencies carry out the laws, through hearings, investigations, and reports.
Read more: Legislative vs. executive powers
See also: Committee, Checks and balances
A political action committee, a group that raises and spends money to elect or defeat candidates. A super PAC can raise unlimited sums but may not coordinate with candidates.
Read more: Campaign finance
See also: Campaign finance, Interest group
The president's power under Article II to forgive a federal crime and end its punishment. It does not apply to state crimes or to impeachment.
Read more: The president's powers
See also: Executive branch
Strongly favoring one political party, or done along party lines.
Read more: The history of political parties
See also: Bipartisan, Political party
A tax taken out of wages, shared by workers and employers, that pays for Social Security and Medicare.
Read more: Social Security
See also: Social Security, Medicare
When the president does not sign a bill within 10 days (not counting Sundays) and Congress has adjourned, so the bill cannot be returned, it dies without a formal veto.
Read more: The veto
See also: Veto
An organized group of people with similar views that nominates candidates and tries to win elections to control government.
Read more: The history of political parties
See also: Partisan, Primary election
A fee charged to vote, once used to keep poor and Black citizens from voting. The 24th Amendment (1964) banned it in federal elections, and the Supreme Court struck it down for state elections in 1966.
Read more: Voting rights
See also: Literacy test, Suffrage
The principle that government gets its power from the people, expressed in the Constitution's opening words, "We the People."
Read more: The Founders' choice
An earlier court decision that guides how later cases with similar issues are decided. Following precedent is called stare decisis.
Read more: Landmark Supreme Court cases
See also: Judicial review, Dissenting opinion
The senator, by custom the longest-serving member of the majority party, who presides over the Senate when the vice president is absent. Third in the line of succession.
Read more: The U.S. Senate
See also: Line of succession, Vice President
An election in which voters choose each party's nominee for the general election.
Read more: How elections work
See also: Open primary, Closed primary, Caucus
A reasonable basis, backed by facts, to believe a crime was committed or that evidence will be found. The 4th Amendment requires it for a search warrant.
Read more: The Fourth Amendment
See also: Search warrant
The minimum number of members who must be present for a chamber to do business. Under Article I, a majority of each house of Congress is a quorum.
Read more: How a bill becomes law
See also: Congress
Formal approval, such as three-fourths of the states approving a constitutional amendment, or two-thirds of the Senate approving a treaty.
Read more: The constitutional amendments
An appointment the president makes while the Senate is in recess, lasting until the end of the Senate's next session. The Supreme Court ruled in 2014 that a recess shorter than 10 days is presumed too short.
Read more: Legislative vs. executive powers
See also: Advice and consent
A budget process that lets certain bills on taxes, spending, and the debt limit pass the Senate with a simple majority, so they cannot be filibustered.
Read more: How the federal budget works
See also: Budget resolution, Filibuster
The period from 1865 to 1877 when the federal government rebuilt the South after the Civil War and tried to secure the rights of freed Black Americans.
Read more: The Civil War
See also: Emancipation Proclamation, Jim Crow
Redrawing the boundaries of election districts, usually after each census, so each district has about the same number of people.
Read more: Redistricting and gerrymandering
See also: Gerrymandering, Census
A rule issued by a federal agency under authority given by a law. It has the force of law, and most go through a public comment period before taking effect.
Read more: Executive orders vs. laws
See also: Executive order
A form of government in which the people elect representatives to make decisions for them, rather than deciding every issue directly.
Read more: The Founders' choice
See also: Democracy, Popular sovereignty
Powers the Constitution does not give to the federal government, which the 10th Amendment keeps for the states or the people.
Read more: The Bill of Rights
See also: Federalism, Concurrent powers
A measure Congress votes on. A simple resolution deals with one chamber's own business, and a concurrent resolution with both chambers'; neither is law. A joint resolution goes to the president and becomes law like a bill.
Read more: How a bill becomes law
See also: Bill
The 2nd Amendment's protection of the right to keep and bear arms, which the Supreme Court held in 2008 applies to individuals.
Read more: The Second Amendment
See also: Bill of Rights
The principle that everyone, including government officials, must follow the law and is accountable under it.
Read more: Safeguards against abuse of power
See also: Checks and balances
A court order allowing police to search a specific place for specific things. Under the 4th Amendment a judge can issue one only on probable cause.
Read more: The Fourth Amendment
See also: Probable cause
Being forced to give testimony that could prove your own guilt. The 5th Amendment protects the right not to, often called "taking the Fifth."
Read more: The Fifth Amendment
See also: Miranda rights, Double jeopardy
The chamber of Congress with 100 members, two from each state, who serve six-year terms. Since the 17th Amendment (1913), voters elect senators directly.
Read more: The U.S. Senate
See also: House of Representatives, Advice and consent, Filibuster
Dividing the government into three branches, legislative, executive, and judicial, each with its own powers, so no one branch holds all the power.
Read more: Separation of powers
See also: Checks and balances
The presiding officer of the House of Representatives, elected by its members. The Speaker is second in the presidential line of succession, after the vice president.
Read more: The Speaker of the House
See also: House of Representatives, Line of succession
An election held outside the regular schedule to fill a vacant seat. House vacancies must be filled this way; for the Senate, many states let the governor appoint someone until the election.
Read more: Senate vacancies
See also: Senate
The report the president gives Congress on the condition of the country, which Article II requires "from time to time." It is now usually a yearly speech.
Read more: The president's powers
See also: Executive branch
A law passed by a legislature, as opposed to a rule made by an agency or a decision made by a court.
Read more: How a bill becomes law
See also: Act, Regulation
The right to vote. Amendments extended it over time: the 15th (race, 1870), the 19th (women, 1920), and the 26th (age 18, 1971).
Read more: Voting rights
See also: Voting Rights Act, Poll tax
Article VI of the Constitution, which makes the Constitution, federal laws, and treaties the supreme law of the land, overriding state laws that conflict with them.
Read more: The full Constitution
See also: Federalism, Constitution
The highest court in the United States. Under current law it has nine justices, who are nominated by the president, confirmed by the Senate, and serve for life.
Read more: The Supreme Court
See also: Chief Justice, Judicial review, Writ of certiorari
The amount by which federal revenue is larger than spending in a single year, the opposite of a deficit.
Read more: The national debt
See also: Deficit
A state where either major party's presidential candidate has a real chance to win, so campaigns spend much of their time and money there.
Read more: The Electoral College
See also: Electoral College
A tax on imported goods, paid by the importer. The Constitution gives Congress the power to set tariffs, and some laws let the president adjust them.
Read more: Department of Commerce
See also: Enumerated powers
Limits on how many terms an official may serve. The 22nd Amendment (1951) bars anyone from being elected president more than twice; members of Congress have no term limits.
Read more: The current amendments
See also: Incumbent
An area under U.S. control that is not a state, such as Puerto Rico or Guam. People born in the five inhabited territories, except American Samoa, are U.S. citizens at birth.
Read more: Puerto Rico
See also: Delegate
The 1787 agreement that counted three of every five enslaved people when dividing House seats and direct taxes among the states. The 14th Amendment ended it in 1868.
Read more: The Framers
See also: Framers, Apportionment
The only crime the Constitution defines: making war against the United States or giving aid and comfort to its enemies. A conviction needs two witnesses to the same act or a confession in open court.
Read more: The full Constitution
See also: Constitution
A formal agreement with another country. The president negotiates it, and two-thirds of the senators present must approve it.
Read more: The U.S. Senate
See also: Advice and consent, Ratification
The inherent right of federally recognized Native American nations to govern themselves, with their own governments, laws, and courts.
Read more: Native American history
See also: Federalism
The 1967 amendment that sets out how the vice president takes over if the president dies, resigns, or cannot do the job, and how a vice president vacancy is filled.
Read more: Presidential succession
See also: Line of succession, Vice President
In conflict with the Constitution, and therefore invalid. Courts can declare a law or government action unconstitutional through judicial review.
Read more: Landmark Supreme Court cases
See also: Judicial review
Having a single legislative chamber. Nebraska has had the only unicameral state legislature since 1937.
Read more: One chamber or two?
See also: Bicameral
The president's rejection of a bill passed by Congress. Congress can override a veto with a two-thirds vote in both the House and the Senate.
Read more: The veto
See also: Pocket veto, Checks and balances
The second-highest official in the executive branch, first in the line of succession. The vice president presides over the Senate and casts a vote only to break a tie.
Read more: The vice president
See also: Line of succession, President pro tempore
Signing up with election officials so you are allowed to vote. Rules and deadlines are set by each state, and North Dakota is the only state with no voter registration.
Read more: How elections work
See also: Suffrage, Primary election
The 1965 law that bans racial discrimination in voting and ended many of the tactics, such as literacy tests, that had kept Black Americans from the polls.
Read more: Voting rights
See also: Literacy test, Poll tax, Suffrage
A 1973 law requiring the president to notify Congress within 48 hours of sending troops into hostilities, and to bring them home within 60 days (plus 30 to withdraw) unless Congress approves.
Read more: Legislative vs. executive powers
See also: Declaration of war, Commander in Chief
A party leader who counts votes before key decisions and works to keep the party's members voting together.
Read more: The House of Representatives
See also: Majority leader, Minority leader
An order by which the Supreme Court agrees to review a lower court's decision. It takes the votes of four justices to grant one, a practice called the rule of four.
Read more: How cases reach the Supreme Court
See also: Supreme Court, Appellate court
Definitions follow the official glossaries of the U.S. Senate, Congress.gov, and the U.S. Courts, and the text of the Constitution and its amendments. Each term links to a page on this site with its own sources.
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The federal program, created in 1935, that pays retirement, disability, and survivor benefits, funded mainly by payroll taxes.
Read more: Social Security
See also: Payroll tax, Entitlement