Kennedy prevented completion of missile bases in Cuba by approving a naval blockade. This in turn stopped supplies from making it to Cuba.
He ordered a naval blockade of Cuba.
His response was an embargo.
President Kennedy prevented completion of missile bases in Cuba by approving a military blockade of Cuba to check all ships for offensive weapons bound for Cuba (and turn away any that were carrying such).
The Cuban missile crisis came to and end because Kennedy and Khrushchev made an agreement. In the agreement it stated that if Kennedy were to remove its naval blockade around Cuba and if it removes its missile bases in Turkey, Khrushchev would remove his missile bases from Cuba.
The purpose of the missile sites in Cuba according to Kennedy and many respected historians is that the Russians were holding missiles there to have a preemptive strike on the US during the Cold War.
kennedy
Cuban missile crisis!
Kennedyapproved a naval blockade, to stop the flow of supplies toCuba
the building of Soviet nuclear missile sites in cuba
the building of Soviet nuclear missile sites in Cuba
Building nuclear missile sites in Cuba, aimed at the US