Roy, Jr) in Washington, 6 April of 1960. The main subject and purpose of this memorandum was the decline and fall of Cuban dictator Fidel Castro who came to power thanks to a Soviet-backed coup, to weaken the economy of Cuba by imposing an embargo. On this basis, it is valuable for an investigation of the key question because it briefly describes the policy of the USA on Cuba and the relation of the embargo with regards to health care. Despite that, this source is limited. It is biased because this letter was sent to ensure the security of the United States by putting an embargo on