What message was president Kennedy trying to send Khrushchev? List at least three pieces of evidence from the letter in your response.

To stop Cuba from making or launching missile.

Explanation:

The letter that was sent by the then

United States president, J Kennedy, described his order to "quarantine" Cuba as "an act of aggression which pushes mankind toward the abyss of a world nuclear-missile war."

Although, the first response from Khrushchev showed a threat, which meant that they were not going to succumb to the instruction in the letter that was sent to them from Kennedy.