During the Cuban Missile Crisis, President John F. Kennedy and Premier Nikita Khrushchev managed to avert a disaster. Which disaster did they avert?

President Kennedy decided to place a naval blockade, or a ring of ships, around Cuba. The aim of this "quarantine," he called it, was to prevent the Soviets from bringing in more military supplies. He enforced the removal of the missiles already there and the destruction of the sites.

the anwser is a) to prevent military conflict