To modify the constitution, an amendment must first be proposed by the president the supreme court congress or the states the vice president.

The correct answer is:

Congress or the States.

There are two processes established for making amendments to the Constitution of the United States. The only one that has ever been adopted is a proposition by the United States Congress to pass a bill by a vote of two thirds in each body. Another way would be by a constitutional convention whit the vote of two-thirds of the state legislatures.

its so obvious. its 999 obviously.

of what agreement it does not show