Amendments to the Constitution can be proposed by

the president and vice president.

Congress and state legislatures.

the president and the Supreme Court.

Answer: Congress and state legislatures.

Explanation:The president or the Vice President does not have the constitutional power to propose constitution amendments. The United State of America Constitution provides that an amendment may be proposed either by the Congress with a two-thirds majority vote in both the House of Representatives and the Senate or by a constitutional convention called for by two-thirds of the State legislatures.