ilitary barracks . This formed a coalition with the military forces that had always played a large role in the destruction of ruling governments. Although Betancourt made many other alliances he refused to include the extreme left. This was of growing concern as Cuba had just won its' revolution against Batista in 1959. Many Communist student movements formed with the Venezuelan Communist Party (PCV) which later merged with the Fuerzas Armadas de Liberacion Nacional (FALN), both of which were outlawed, that participated in guerrilla warfare in the jungles of Venezuela as well as bombing oil lines and the US embassy . The FALN was supported not only morally by Castro, but also with arms. Three tons of arms were found abandoned on a Venezuelan beach with clear ties to Cuba in 1963. Castro was not the only one that wanted Betancourt out of office and the Communists in. Rafeal Leonidas Trujillo Molina, the dictator of the Dominican Republic was responsible for the June 1960 car bombing that killed a military aid and severely burned Betancourt . These events influenced the Betancourt Doctrine, which stated that Venezuela would not recognize any regime that came to power by way of military intervention . Then Venezuela voted to expel Cuba from OAS membership and later broke diplomatic relations with Cuba in 1961 . In 1961 after encountering an empty treasury, Betancourt called out to the US for a $300 million dollar loan to combat Castro and the Communist insurgency groups. The US sent $450.6 million dollars between 1962 and 1965 . The US could not afford to let go of a country that supplied so much oil by way of US companies, not to mention that it has been considered the "keystone" country to the Caribbean region. The US had many fears because Cuba had easy access to Venezuela's neighbor, Guyana, which was already the second most communist country behind Cuba. Guyana sent more students to study in the SU only behind Cuba and in later years ...