Question

Which one of the following methods was used only once to ratify an amendment?

Question 7 options:



By approval of three-fourths of the state legislatures




By approval of Supreme Court




By approval of conventions in three-fourths of the states




By approval of the president

Answer 1

The method that was used only once to ratify an amendment is **by approval of conventions in three-fourths of the states**. This method was used for the ratification of the 21st Amendment, which repealed Prohibition.