Final answer:
President Kennedy announced the blockade of Cuba and requested a United Nations resolution for the removal of nuclear weapons from the island.
Step-by-step explanation:
During his televised address a week after learning of the missile sites on Cuba, President Kennedy announced two courses of action. The first course of action was blockading Cuba to prevent any further Soviet shipments of nuclear weapons. This was done through the establishment of a naval blockade, known as the Cuban Missile Crisis. The second course of action was requesting a United Nations resolution to demand the immediate removal of nuclear weapons from Cuba.
Learn more about President Kennedy's actions during the Cuban Missile Crisis