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
Invasion of Cuba (1741) Invasion of Cuba (1741) The invasion of Cuba took place between 4–5 August and 9 December 1741 during the War of Jenkins' Ear. A combined army and naval force under the command of Admiral Edward Vernon and Major-General Thomas Wentworth arrived off Cuba and fortified positions around their landing site at Cumberland Bay. Despite facing no serious opposition, neither commander felt prepared to advance on the Spanish settlement at Santiago de Cuba. Harassed by guerrilla raids and with a mounting sick list, the British finally evacuated the island after several months of inactivity. Vernon had made an unsuccessful attempt to