Operation 40 necessary some of your own members who were suspected of being foreign agents...We were concentrating strictly in Cuba at that particular time." The group sought to incite civil war in Cuba against the government of prime minister Fidel Castro. "In October 1960, they realize that this project has failed, and that is when Brigade 2506" was created, a CIA-sponsored group made up of 1,511 Cuban exiles who fought in the April 1961 Bay of Pigs Invasion. On 17 April 1961, Vicente Leon Leon, with other members of Operation 40, landed at the Bay of Pigs via the CIA-chartered freighter "Atlantico".
History of Cuba the embargo did not extend to other countries, and Cuba traded with most European, Asian and Latin American countries and especially Canada. However, the United States later pressured other nations and American companies with foreign subsidiaries to restrict trade with Cuba. Also, the Helms–Burton Act of 1996 makes it very difficult for foreign companies doing business with Cuba to also do business in the United States, forcing them to choose between the two. In April 1961, less than four months into the Kennedy administration, the Central Intelligence Agency (CIA) executed a plan that had been developed under the Eisenhower administration.