The timeline below is about a Constitutional amendment.

1923: The Equal Rights Amendment is introduced in Congress.
1972: The Equal Rights Amendment is voted on by Congress with a seven year deadline.
1977: The Equal Rights Amendment deadline is extended to 1982.
1982: The Equal Rights Amendment fails.

Why did the amendment fail?
It was not ratified by the president.
O It was not ratified by the Senate.
O It was not ratified by 38 states.
It was not ratified by 50 states.