Glossary · Government

Government and politics concepts

AP U.S. Government and Politics, AP U.S. History

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These terms come from AP U.S. Government and Politics: constitutional principles, foundational documents, landmark Supreme Court cases and the institutions that connect citizens to government. AP Gov free-response questions ask you to apply these ideas to new scenarios, data and cases, so each entry shows the concept at work.

Index of terms

Terms in study order

The terms run from foundational ideas to the ideas that build on them.

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Flashcard review

Say each definition aloud, then open the card to check your answer.

What does “Federalism” mean?

A system in which power is divided between a national government and state governments, each with its own areas of authority.

What does “Separation of powers” mean?

The division of government's legislative, executive and judicial functions among separate branches.

What does “Checks and balances” mean?

The constitutional powers each branch has to limit the actions of the other branches.

What does “Federalist No. 10” mean?

James Madison's essay arguing that a large republic is the best way to control the effects of factions.

What does “Brutus No. 1” mean?

An Anti-Federalist essay arguing that the proposed Constitution would create a national government too powerful and a republic too large to represent the people.

What does “Federalist No. 51” mean?

James Madison's essay explaining how separation of powers and checks and balances protect liberty by making 'ambition counteract ambition.'

What does “Federalist No. 70” mean?

Alexander Hamilton's essay arguing for an energetic executive office held by one person.

What does “Federalist No. 78” mean?

Alexander Hamilton's essay defending an independent federal judiciary with life tenure and the power of judicial review.

What does “Necessary and proper clause” mean?

The clause in Article I, Section 8 that allows Congress to make all laws necessary and proper for carrying out its enumerated powers.

What does “Commerce clause” mean?

The constitutional provision giving Congress the power to regulate commerce with foreign nations, among the states and with Native American tribes.

What does “Judicial review” mean?

The power of courts to declare laws or government actions unconstitutional.

What does “Marbury v. Madison” mean?

The Supreme Court case that established the power of judicial review over acts of Congress.

What does “McCulloch v. Maryland” mean?

The Supreme Court case that upheld Congress's implied power to create a national bank and barred states from taxing it.

What does “Stare decisis” mean?

The principle that courts should follow precedent, deciding similar cases in the same way as earlier decisions.

What does “Judicial activism and judicial restraint” mean?

Competing views of the courts' role: activism favors using judicial power to correct injustices, restraint favors deferring to elected branches and precedent.

What does “Selective incorporation” mean?

The process by which the Supreme Court has applied most Bill of Rights protections to the states through the Fourteenth Amendment's due process clause.

What does “Due process” mean?

The constitutional guarantee, in the Fifth and Fourteenth Amendments, that government cannot deprive people of life, liberty or property without fair legal procedures.

What does “Establishment clause” mean?

The First Amendment clause that prohibits the government from establishing an official religion or favoring religion.

What does “Free exercise clause” mean?

The First Amendment clause that protects individuals' right to practice their religion without government interference.

What does “Tinker v. Des Moines” mean?

The Supreme Court case holding that students do not lose their First Amendment rights at school unless their expression substantially disrupts the school.

What does “Equal protection clause” mean?

The Fourteenth Amendment clause requiring states to give all people equal protection of the laws.

What does “Power of the purse” mean?

Congress's constitutional power to tax and to control federal spending through appropriations.

What does “Filibuster” mean?

A Senate tactic of prolonging debate to delay or block a vote on a bill, which can be ended by a cloture vote of 60 senators.

What does “Gerrymandering” mean?

Drawing electoral district boundaries to give an advantage to a political party or group.

What does “Executive order” mean?

A directive from the president to the executive branch that has the force of law, without requiring congressional approval.

What does “Discretionary and rule-making authority” mean?

The power of bureaucratic agencies to decide how to implement laws and to issue rules with the force of law.

What does “Iron triangle” mean?

A stable relationship among a congressional committee, a bureaucratic agency and an interest group that work together on policy in a specific area.

What does “Linkage institutions” mean?

Channels that connect citizens to government, chiefly political parties, interest groups, elections and the media.

What does “Political socialization” mean?

The process by which people form their political beliefs and values, influenced by family, school, peers, media and events.

What does “Political efficacy” mean?

A citizen's belief that they can understand and influence government and that government will respond.

What does “Incumbency advantage” mean?

The electoral advantages enjoyed by officeholders running for reelection, such as name recognition, fundraising and constituent service.

Practice questions, courses and guides that use these terms

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