Questions: If Congress proposes a constitutional amendment, what is required before the amendment can be sent to the states for potential ratification? Only a two-thirds majority vote in the Senate. A two-thirds majority vote in both the House and the Senate. A two-thirds majority vote in the House and a unanimous vote in the Senate. A three-quarters majority vote in both the House and the Senate.

The answer is a two-thirds majority vote in both the House and the Senate.

This option is incorrect because both chambers of Congress must approve the proposed amendment, not just the Senate.

This option is correct. According to Article V of the U.S. Constitution, a proposed amendment must receive a two-thirds majority vote in both the House of Representatives and the Senate before it can be sent to the states for ratification.

This option is incorrect because the requirement is a two-thirds majority vote in both chambers, not a unanimous vote in the Senate.

This option is incorrect because the required majority is two-thirds, not three-quarters.