 Complete the following phrase:  Four months after the revolution in 1959, Cuba was still part of the Organization of American States OAS, the island had not yet declared itself a socialist, and the figure of Fidel Castro was even sympathetic to some sectors that would later revile him. On May 1, he arrived at the Ezeiza Airport, and Hermes Quijada was the first to welcome him on behalf of President Arturo Frondizi. He immediately arrived in Buenos Aires, and the following day he gave a famous ninety-minute speech before the Commission of the 21 of the OAS in the building of the Secretariat of Industry, in his speech praised the American democracy, which had welcomed Latin American immigrants with decorum. A group of protesters received the leader of the 