Kennedy wanted Argentina to be the mediator between the United States and Cuba in the conflict of the "missile crisis", since these two countries were experiencing a very serious confrontation motivated by the fear of the United States that Cuba could have weapons at its disposal nuclear weapons coming from the Soviet Union pointing towards its territory. Hence, at the request of the US president, a meeting between Frondizi and Ernesto Guevara was encouraged to discuss the thorny issue in addition to trying to direct relations between the two countries after the Americans failed to invade the island. from Cuba.