2) What did the leader of the Soviet Union, Nikita Krushchev, secretly do to assist Cuba?

he gave them nuclear bombs

Explanation:

Nikita Khrushchev (1894-1971) led the Soviet Union during the height of the Cold War, serving as premier from 1958 to 1964. Though he largely pursued a policy of peaceful coexistence with the West, the Cuban Missile Crisis began after he positioned nuclear weapons 90 miles from Florida.