 Examples included harsh Soviet Union (USSR) responses to popular anti-communist uprisings, such as the 1956 Hungarian Revolution and Czechoslovakia's Prague Spring in 1968, and the botched US Bay of Pigs Invasion of Cuba in 1961.In the US, President Dwight D. Eisenhower's initial deception
over the nature of the 1960 U-2 incident resulted in the government being caught in a blatant lie at the highest levels, and contributed to a backdrop of growing distrust of authority among many who came of age during the period.The Partial Test Ban Treaty divided the establishment within the US along political and military lines.