Foreign relations of Cuba needed oil. Relations between the countries deteriorated rapidly. In April 1961, following air attacks preparing for the Bay of Pigs Invasion by CIA-trained Cuban exiles, prime minister Fidel Castro declared Cuba to be a socialist republic, and moved quickly to develop the growing relations between Cuba and the Soviet Union. In 1962, Cuba was expelled from the Organization of American States. Shortly afterwards, many nations throughout Latin America broke ties with Cuba, leaving the island increasingly isolated in the region and dependent on Soviet trade and cooperation. Following the establishment of diplomatic ties, and after the Cuban missile crisis in
CIA activities in Laos the PL into the larger Laotian society, the CIA had gained intelligence that the PL did not intend to abandon it's "radical" ideology and desire to overthrow the democratic government headed by the RLG. The CIA believed that the PL desired instead to establish a Communist government via subversive political and covert actions as opposed to overt military actions. Nevertheless, the CIA feared that the PL was more than willing to revert to the overt use of force if their new tactics were unsuccessful. An example of this subversion is demonstrated in the cable stating, "PL propagandists and terrorists continued