Written by the Fiveable Content Team • Last updated August 2025
Verified for the 2027 exam
Verified for the 2027 exam•Written by the Fiveable Content Team • Last updated August 2025
Definition
The constitutional process for proposing and ratifying amendments, involving supermajority proposal requirements and final ratification by three-fourths of the states.
AP course connection
Topic 1.5: 1.5 Ratification of the U.S. Constitution