AP US Government and Politics key terms
AP US Government and Politics · Get comfortable with the vocabulary.
- Federalism
- Related: Enumerated Powers, Tenth Amendment, Devolution
A system in which power is divided between a national government and state governments, each with its own authority that the other cannot simply erase, and both governing citizens directly.
- Enumerated Powers
- Related: Elastic Clause, Implied Powers, Federalism
Powers explicitly listed and granted to Congress in Article I, Section 8 of the Constitution, such as declaring war, coining money, and regulating interstate commerce.
- Implied Powers
- Related: Elastic Clause, Enumerated Powers
Powers Congress exercises that are not spelled out in the Constitution but are reasonably inferred as necessary to carry out its expressed powers, grounded in the necessary and proper clause.
- Elastic Clause
- Related: Implied Powers, Enumerated Powers
The final clause of Article I, Section 8, allowing Congress to make laws necessary and proper for executing its listed powers; its flexibility has let federal authority expand over time.
- Reserved Powers
- Related: Tenth Amendment, Federalism
Powers not delegated to the national government and not barred to the states, retained by the states or the people under the Tenth Amendment, including policing and running elections.
- Tenth Amendment
- Related: Reserved Powers, Federalism
The constitutional provision stating that powers not given to the federal government, nor prohibited to the states, are reserved to the states or to the people, a textual anchor for state authority.
- Commerce Clause
- Related: Enumerated Powers, Federalism
The grant in Article I, Section 8 letting Congress regulate trade among states and with foreign nations; broad judicial readings made it a major source of federal regulatory power.
- Necessary and Proper Clause
- Related: Elastic Clause, Implied Powers
Another name for the elastic clause, granting Congress implied authority to pass laws needed to carry out its enumerated powers; it is the constitutional basis for implied powers.
- Full Faith and Credit Clause
- Related: Federalism, Privileges and Immunities Clause
Article IV requirement that states honor each other's public acts, records, and court rulings, such as marriages and judgments, promoting cooperation across state lines.
- Privileges and Immunities Clause
- Related: Full Faith and Credit Clause
Article IV provision barring states from discriminating against out-of-state residents in fundamental rights like pursuing work or accessing courts, though some distinctions remain allowed.
- Devolution
- Related: Block Grant, Federalism
The transfer of policy authority and funding from the federal government to states, often through block grants, reflecting a preference for more localized decision-making.
- Categorical Grant
- Related: Block Grant, Devolution
Federal money given to states for a narrowly defined purpose with detailed conditions attached, giving Washington substantial influence over state priorities.
- Block Grant
- Related: Categorical Grant, Devolution
Federal funds given to states for a broad policy area with few strings attached, giving recipients wide discretion over how the money is spent.
- Unfunded Mandate
- Related: Federalism, Categorical Grant
A federal requirement imposed on states without accompanying funding to cover its costs, which states often criticize as an intrusion on their budgets and priorities.
- Separation of Powers
- Related: Checks and Balances, Veto, Judicial Review
The constitutional design dividing governing authority among legislative, executive, and judicial branches so that no single institution holds all power.
- Checks and Balances
- Related: Separation of Powers, Veto, Judicial Review
The overlapping powers that let each branch limit the others, such as the Senate confirming appointments, Congress overriding vetoes, and courts striking down laws.
- Veto
- Related: Checks and Balances, Pocket Veto
The president's power to reject a bill passed by Congress; Congress can override it with a two-thirds vote in each chamber.
- Pocket Veto
- Related: Veto
A bill dying because the president neither signs nor returns it while Congress adjourns within ten days, a tactic unavailable when Congress stays in session.
- Filibuster
- Related: Cloture, Gerrymandering
A Senate tactic in which extended debate blocks action on a bill or nomination unless sixty senators vote to end it through cloture.
- Cloture
- Related: Filibuster
A Senate procedure requiring sixty votes to end debate on a measure, the main tool for overcoming a filibuster.
- Gerrymandering
- Related: Apportionment, Filibuster
Drawing legislative district boundaries to favor a party or group, often by packing opponents into few districts or splitting their support across many.
- Apportionment
- Related: Gerrymandering
The distribution of seats in the House of Representatives among the states according to population counts from the census, adjusted every ten years.
- Executive Order
- Related: Executive Privilege, Bureaucracy
A directive from the president to federal agencies telling them how to carry out or interpret the law, which has the force of law but can be reversed by later presidents.
- Executive Privilege
- Related: Executive Order
The president's claimed right to withhold internal communications from Congress or the courts to protect confidential advice, a claim courts have limited rather than endorsed absolutely.
- Judicial Review
- Related: Judicial Activism, Stare Decisis
The authority of courts to examine laws and actions of other branches and invalidate those that conflict with the Constitution, established in Marbury v. Madison.
- Stare Decisis
- Related: Judicial Review, Judicial Activism
The practice of courts following precedents set by earlier rulings in similar cases, promoting stability and predictability in the law.
- Judicial Activism
- Related: Judicial Restraint, Judicial Review
A view that judges may and should decide cases broadly, overturning precedent or policy when they see constitutional problems, rather than deferring to other branches.
- Judicial Restraint
- Related: Judicial Activism, Stare Decisis
A view that judges should decide narrowly, defer to elected officials where possible, and overturn precedent or laws only when clearly required.
- Bureaucracy
- Related: Executive Order, Iron Triangle
The network of federal agencies and departments that implement laws, issue regulations, and deliver services, organized hierarchically and staffed largely by career civil servants.
- Iron Triangle
- Related: Bureaucracy, Interest Group
A stable relationship among a congressional committee, an executive agency, and an interest group that jointly shapes policy in a given area, often resisting outside change.
- Selective Incorporation
- Related: Due Process Clause, Establishment Clause
The process by which the Supreme Court has applied most protections in the Bill of Rights to state and local governments through the Fourteenth Amendment's due process clause.
- Due Process Clause
- Related: Selective Incorporation, Equal Protection Clause
Fourteenth Amendment language barring states from depriving people of life, liberty, or property without fair legal procedures; it is the vehicle for applying most Bill of Rights guarantees to states.
- Equal Protection Clause
- Related: Due Process Clause, Affirmative Action
Fourteenth Amendment provision requiring states to treat people equally under the law, the basis for challenging racial segregation and other discriminatory classifications.
- Establishment Clause
- Related: Free Exercise Clause, Selective Incorporation
First Amendment ban on Congress making laws respecting an establishment of religion, interpreted to limit government endorsement or support of religious activity.
- Free Exercise Clause
- Related: Establishment Clause
First Amendment protection of the right to practice one's religion, though courts allow some neutral, generally applicable laws that incidentally burden religious practice.
- Clear and Present Danger Test
- Related: Symbolic Speech, Establishment Clause
A standard from early First Amendment cases allowing punishment of speech that creates a serious, imminent threat of harm, later narrowed by stricter modern tests.
- Symbolic Speech
- Related: Clear and Present Danger Test
Nonverbal expression such as flag burning or wearing armbands, which courts generally protect when it conveys a message, though regulation is allowed in some settings.
- Affirmative Action
- Related: Equal Protection Clause
Policies that consider race or other group membership to expand opportunities for historically excluded groups, which courts have increasingly limited in education and hiring.
- Political Socialization
- Related: Political Efficacy, Public Opinion
The lifelong process through which people acquire political beliefs and values, shaped by family, schools, peers, media, and major events.
- Political Efficacy
- Related: Political Socialization, Voter Turnout
A person's belief that their participation can influence government; high efficacy is linked to voting and other forms of engagement.
- Public Opinion
- Related: Political Socialization, Sampling Error
The distribution of citizens' views on political issues and figures, typically measured through surveys of samples meant to represent the larger population.
- Sampling Error
- Related: Public Opinion
The margin by which survey results may differ from the true population because only a subset was questioned, usually shrinking as sample size grows.
- Political Party
- Related: Interest Group, Party Identification
An organized group that seeks to win elections, control government, and shape policy by recruiting candidates and mobilizing supporters around a shared platform.
- Party Identification
- Related: Political Party, Political Socialization
A person's enduring psychological attachment to a political party, which strongly predicts voting behavior and often forms early in life.
- Interest Group
- Related: Iron Triangle, Political Party
An organized collection of people or organizations that tries to influence policy without running candidates, using lobbying, litigation, and grassroots pressure.
- Political Action Committee
- Related: Interest Group
A group that raises and spends money to influence elections, subject to contribution limits and disclosure rules; super PACs may spend unlimited sums independently of candidates.
- Voter Turnout
- Related: Political Efficacy, Electoral College
The share of eligible voters who actually cast a ballot, affected by registration rules, election laws, competitiveness, and individual factors like efficacy and education.
- Electoral College
- Related: Voter Turnout
The body of electors chosen by states that formally selects the president, with each state's vote count based on its congressional representation.
- Media as Gatekeeper
- Related: Public Opinion, Political Socialization
The role of news organizations in deciding which people, issues, and events reach public attention, shaping what citizens consider important.