Progress was to be a Latin American version of the Marshall Plan, the United States plan to fund a cooperative, long-term program to rebuild Europe following World War II. All Latin American nations except Cuba joined the Alliance for Progress, pledging 10"to bring our people accelerated economic progress and broader social justice within the framework of personal dignity and individual liberty." The United States promised $20 billion for the first ten years. The Alliance for Progress and President Kennedy's particular concern for democratic institutions brought the United States renewed popularity in Latin America. On June 3, 1961, in Vienna, Austria, Kennedy and Khrushchev met and reviewed relationships between the United States and the USSR, as well as other questions of interest to the two states. Two incidents contributed to hostility at the meeting. The first was the shooting down of a U.S. spy plane in Soviet air space, and the second was the failed Bay of Pigs invasion of Cuba in early 1961. The results of the conference made it clear that Khrushchev had construed Kennedy's failure of the Bay of Pigs invasion as a sign of weakness. No agreements were reached on any important issues. In fact, the Soviet premier made it clear that the Soviet Union intended to pursue an even more aggressive policy toward the United States. Kennedy's last words to Khrushchev in Vienna were, 11"It's going to be a cold winter." He reported to the American people that the Soviet premier was a "tough-minded" leader who did not understand the intentions of the United States. The leaders had spent a "very sober two days." In August 1961, to prevent East Germans from fleeing to the West, the Communists ordered a wall built on the border between East and West Berlin. West Berlin had been under the control of the United States, France, and Britain since the end of World War II, although the city lay deep inside East Germany, a sta...