Question

Once an amendment to the constitution has been proposed, who must approve it?

A. three-fourths of the states
B. the president and vice president
C. the supreme court
D. all of the states

Answer 1

d or a not really sure hope this help

Answer 2

An amendment to the Constitution must be approved by 3/4 of the states (A). That's why it's so difficult for an amendment to be ratified.