Treaty organizations were the mechanism for the creation of the spokes. The pioneer was the Organization of American States (OAS), set up in 1948 inside what the United States had long considered its ‘backyard’. The first meeting of the OAS was held in Bogotá (Colombia); it left no doubt as to who was in charge when its headquarters were established in Washington, DC, at the old Pan-American Union building. On 1 November 1947, a CIA memorandum worried about ‘Soviet objectives in Latin America’.