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U.S. Constitution and Amendments

The U.S. Constitution is the written framework of American government, and the amendments are the changes and additions made to it over time. It sets out the powers of Congress, the president, and the courts, and its amendments, including the Bill of Rights, protect individual liberties. Every branch of government and every state operates under it.

People usually bring questions about what a particular article or amendment says and what it protects. Others ask how the amendment process works, how rights such as free speech, gun ownership, and protection from unreasonable searches apply in practice, and how the founders' choices still shape daily life.

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October 4last updated

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Latest in U.S. Constitution and Amendments

The Presidency

Can a President Serve More Than Two Terms?

The Twenty-Second Amendment caps elections, not years served, so a successor president can serve up to about ten years, and a vice-presidential loophole remains untested.

Law Enforcement

How States Catch Criminals Across Borders

Few sections of the Constitution are as practical and consequential in their daily application as Article IV. While other articles establish the grand structures of the…

U.S. Constitution and Amendments

How Article IV Guarantees Your Rights

While the first three articles of the Constitution establish what the federal government can do, Article IV addresses something more fundamental: how the United States functions…

All Articles on U.S. Constitution and Amendments

Treason: The Only Crime Defined in the Constitution

Only one crime appears in the text of the Constitution itself: treason. This status reflects both the gravity of betraying one's country and the…

19 Min Read

Should Federal Judges Serve Until Death?

At the heart of American government is a judiciary designed to operate independently from political pressure. This independence stems from Article III, Section 1…

42 Min Read

The Presidential Pardon Power

Learn what presidential pardons and commutations do, which cases they reach, how applications work and why the power remains hard to police.

27 Min Read

Article II of the Constitution: The President’s Powers and Duties Explained

Article II sets the president’s powers and duties, with rules for elections, military command, pardons, appointments, legal limits and succession.

68 Min Read

The Commerce Clause of the U.S. Constitution

In Article I, Section 8 of the Constitution, the Commerce Clause states that Congress shall have power "to regulate Commerce with foreign Nations, and…

30 Min Read

The Necessary and Proper Clause of the Constitution

A single sentence buried at the end of Article I, Section 8, the Necessary and Proper Clause grants Congress the power "to make all…

23 Min Read

Who Was Originally Included in “We the People”?

The opening words of the U.S. Constitution launched a revolutionary idea in 1787. "We the People of the United States" declared that government power…

31 Min Read

The Founder Who Wrote “We the People”

The opening words of the United States Constitution rank among the most famous in the English language: "We the People of the United States..."…

29 Min Read

The Tenth Amendment: How States Keep Power from Federal Government

The Tenth Amendment reserves powers to states and the people, with limits on federal commands, funding conditions, and claims of state sovereignty.

41 Min Read

Digital Privacy and the Ninth Amendment: Does the Constitution Protect Your Online Life?

Every click, search query, and location ping from our smartphones creates a digital trail. Our most private conversations, financial records, health concerns, and daily…

38 Min Read