Domino Theory, which governed much of U.S. foreign policy beginning in the early 1950s, held that a communist victory in one nation would quickly lead to a chain reaction of communist takeovers in neighboring states.
Discover the history of the Suez Canal and how Egypt's President Nasser, with the support of the Soviet Union, seized the canal from the British in 1956, causing an international crisis. See how President Eisenhower intervened to help restore order.