Answer:
The correct answer is 3. An amendment to the Constitution must be proposed by a two-thirds vote in both the House of Representatives and the Senate, or by a convention called for by two-thirds of the state legislatures. Then, the proposed amendment must be ratified by three-fourths of the states (38 out of 50) either through their legislatures or through special state conventions.
This process is outlined in Article V of the United States Constitution, which provides two methods for proposing amendments and two methods for ratifying them. The method of proposal and ratification used for each amendment depends on the circumstances and preferences of the time.
Step-by-step explanation: