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Glossary
Amendment

Civics Glossary

Amendment

Constitutional

Last verified: June 2026

Definition

A change or addition to the Constitution. Requires two-thirds of Congress and three-fourths of state legislatures.

Related Terms

Bill of Rights

The first ten amendments to the Constitution, ratified in 1791.

More Constitutional Terms

Bill of Rights

The first ten amendments to the Constitution, ratified in 1791.

Checks and Balances

The constitutional system in which each branch of government can limit the powers of the other branches.

Commerce Clause

Article I, Section 8 of the Constitution, giving Congress the power to regulate commerce among the states.

Federalism

The division of power between a central (federal) government and regional (state) governments.

Separation of Powers

The principle dividing government authority among legislative, executive, and judicial branches.

Supremacy Clause

Article VI of the Constitution, establishing federal law as the "supreme law of the land."

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