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
Suez Crisis sided with the Arab states in several disputes with Israel in 1953–54. Moreover, Dulles did not share any sentimental regard for the Anglo-American "special relationship", which led the Americans to lean towards the Egyptian side in the Anglo-Egyptian disputes. During the extremely difficult negotiations over the British evacuation of the Suez Canal base in 1954–55, the Americans generally supported Egypt, though at the same time trying hard to limit the extent of the damage that this might cause to Anglo-American relations. In the same report of May 1953 to Eisenhower calling for "even-handedness", Dulles stated that the Egyptians were not