Furthermore, as you will recall, we stated in our message to the president of the United States on October 28 that: "We wish at
the same time to assure the Cuban people that we are at its side
and that we will not abandon our responsibility to help the Cuban
people." It is clear to everyone that this is a very serious warning
which we are addressing to the enemy.
- Letter from Nikita Khrushchev to Fidel Castro
Which of the following best describes the incident which led to the correspondence above?
The United States discovered nuclear missiles being stationed in Cuba
The United States began dismantling all nuclear missiles aimed at Russia
Cuba violated a peace treaty with President Kennedy not to invade Haiti