Cuban Missile Crisis established a naval blockade on October 22 to prevent further missiles from reaching Cuba; Oval Office tapes during the crisis revealed that Kennedy had also put the blockade in place as an attempt to provoke Soviet-backed forces in Berlin as well. The US announced it would not permit offensive weapons to be delivered to Cuba and demanded that the weapons already in Cuba be dismantled and returned to the Soviet Union. After several days of tense negotiations, an agreement was reached between US President John F. Kennedy and Khrushchev. Publicly, the Soviets would dismantle their offensive weapons in Cuba and
Cuban Missile Crisis assured destruction. Mutually assured destruction means that if America decided to launch a nuclear strike against the USSR, the latter would react by launching a nuclear strike against America. Additionally, placing nuclear missiles on Cuba was a way for the USSR to show their support for Cuba and support the people in Cuba whose rights were taken away by the United States, as the latter had become their ally after the Cuban Revolution of 1959. According to Khrushchev, the Soviet Union's motives were "aimed at allowing Cuba to live peacefully and develop as its people desire". An indirect reason why