History of the Labour Party (UK) all means of production in the British economy, and Britain's entry into the European Economic Community (EEC). Tensions between the two opposing sides were exacerbated after Attlee resigned as leader in 1955 and Gaitskell defeated Bevan in the leadership election that followed. The party was briefly revived and unified during the Suez Crisis of 1956. The Conservative party was badly damaged by the incident while Labour was rejuvenated by its opposition to the policy of prime minister Anthony Eden. But Eden was replaced by Harold Macmillan, while the economy continued to improve. In the 1959 election the Conservatives fought under
Suez Crisis led to a withdrawal. U.S. President Dwight D. Eisenhower had strongly warned Britain not to invade; he threatened serious damage to the British financial system by selling the US government's pound sterling bonds. Historians conclude the crisis "signified the end of Great Britain's role as one of the world's major powers". The Suez Canal was closed from October 1956 until March 1957. Israel fulfilled some of its objectives, such as attaining freedom of navigation through the Straits of Tiran, which Egypt had blocked to Israeli shipping since 1950. As a result of the conflict, the United Nations created the UNEF