Constitutional amendments must be approved by three-fourths of the ... ?

A. states

B. senate

C. house of representatives

D. supreme court

Calling for a Constitutional Convention (2/3 of the state legislatures - Article 5) Ratifying a Constitutional Amendment (3/4 of the states - Article 5) Restore the ability of certain rebels to serve in the government (2/3 majority in both the House and the Senate - 14th Amendment)

The correct answer is A) states.

Constitutional amendments must be approved by three-fourths of the states.

The founding fathers designed the proper system to amend the Constitution, since the Constitutional Convention times in Philadelphia, Pennsylvania.

The famous Bill of Rights, written by James Madison, is the first ten amendments to the United States Constitution were ratified in 1791 and needed the approval of the three-fourths of the states to make them valid. The Constitution has been amended 27 seven times. The last one was the 27th, passed to prohibit legislators to raise their own salaries.