Suez Crisis participated in later years, since Canada had spearheaded the idea of a neutral force). By 24 April 1957 the canal was fully reopened to shipping. Egyptian sovereignty and ownership of the canal had been confirmed by the United States and the United Nations. In retirement, Anthony Eden, the British Prime Minister at the time, maintained that the military response had prevented a much larger war in the Middle East. Israel had been expecting an Egyptian invasion in either March or April 1957, as well as a Soviet invasion of Syria. The crisis may also have hastened decolonization, as many of
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