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US Constitutional amendment process

The process of amending the US Constitution, including the requirement for three-fourths of state legislatures to approve an amendment.

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Jan 30, 2026
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How many states ratified the 16th Amendment and which state provided the decisive ratification?

The was declared ratified when thirty-six state legislatures — three‑fourths of the forty‑eight states then in the Union — had approved it, and the Secretarial proclamation certified that threshold in...

Jan 7, 2026

Can trump change the constitution to run for a third term

A constitutional change to allow a third elected presidential term would require a formal amendment to the U.S. Constitution — a political and procedural mountain that needs two-thirds of both chamber...