Question

Once an amendment has been proposed to Congress, at least
of Congress must vote to approve it before it can move on.

If the amendment wins the approval of Congress, it goes to the
.

Answer 1

Once an amendment has been proposed to Congress, at least two-thirds of both houses must vote to approve it before it can move on.

If the amendment wins the approval of Congress, it goes to the states (to be ratified by three‑quarters of the state legislatures or by state ratifying conventions).