Why does the United States impose economic sanctions on Cuba?

1959 since the victory of the Cuban revolution, the U.S. government has been hostile to Cuba. 196 1 The United States broke off diplomatic relations with Cuba after the failed invasion of Cuba by American mercenaries in. Since 1962, the United States has imposed a comprehensive economic, trade and financial blockade against Cuba. According to statistics, as of 2065438+April 2003, the direct economic loss caused by the embargo to Cuba has reached11573.27 million US dollars. After Obama was elected president of the United States, during his first term, he adopted some positive policies to improve relations between the two countries, such as relaxing remittances and traveling to ancient times. Cuban leader Raul Castro said on different occasions that Cuba is willing to start a dialogue with the United States without attaching any conditions and endangering independence, sovereignty and self-determination. In addition to resuming immigration negotiations, the United States and Cuba are still discussing the issue of resuming direct mail.