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 Nicaragua government eventually grew stronger and British influence faded. Background Information and the Precipitation of the Contra Conflict In 1961, the Frente Sandinista de Liberacion Nacional (FSLN) was founded in Havana, Cuba. The development of the FSLN represented the merger of "Carlos Fonseca's Nicaraguan Patriotic Youth organization ... with Tomas Borge's Cuban-supported insurgent group." The FSLN remained a largely unsuccessful and marginal political movement until 1972, when an earthquake rocked the Nicaraguan capital, Managua. The Somoza government, which had assumed control of Nicaragua shortly following the withdrawal of United States military personnel in 1933, was seen to be profiteering from international