<P> In April 1948, the Organization of American States (OAS) was created during the Ninth International Conference of American States held in Bogotá and led by U.S. Secretary of State George Marshall . Member states pledged to fight communism on the American continent . Twenty - one American countries signed the Charter of the Organization of American States on April 30, 1948 . </P> <P> Operation PBSUCCESS, which overthrew the democratically - elected President of Guatemala, (Jacobo Arbenz Guzmán) in 1954, was to be one of the first in a long series of US interventions in Latin America during the Cold War . It immediately followed the 1953 overthrow of Iranian Prime Minister Mohammad Mossadegh . </P> <P> Also, the Inter-American Development Bank was established in 1959 . </P> <P> The slogan' we will not allow another Cuba' hides the possibility of perpetrating aggressions without fear of reprisal, such as the one carried out against the Dominican Republic or before that the massacre in Panama--and the clear warning stating that Yankee troops are ready to intervene anywhere in America where the ruling regime may be altered, thus endangering their interests . </P>

What form did united states intervention in latin america take during the cold war