The Cuban Missile Crisis of 1962 came to an end when

Responses
A the Soviet Union agreed to withdraw its nuclear missiles from Cuba.the Soviet Union agreed to withdraw its nuclear missiles from Cuba.
B CIA-backed rebels were defeated by the Cuban army at the Bay of Pigs.CIA-backed rebels were defeated by the Cuban army at the Bay of Pigs.
C the United Nations allowed the US to install nuclear missiles in Key West.the United Nations allowed the US to install nuclear missiles in Key West.
D a nuclear disarmament plan for the US and the Soviet Union was agreed upon.

A the Soviet Union agreed to withdraw its nuclear missiles from Cuba.