Port Said the Anglo-Egyptian Treaty of 1936. It stipulated the British pledge to withdraw all their troops from Egypt, except those necessary to protect the Suez Canal and its surroundings. Following World War II, Egypt denounced the Treaty of 1936, leading to skirmishes with British troops guarding the Canal in 1951. The Egyptian Revolution of 1952 occurred. Then in 1956, President Gamal Abdel Nasser nationalised the Suez Canal Company. The nationalisation escalated tension with Britain and France, who colluded with Israel to invade Egypt, the invasion known in Egypt as the tripartite aggression or the Suez Crisis. The main battles occurred in
Suez Crisis to gather intelligence from British bases in Cyprus. The British relationship with the United States did not suffer lasting consequences from the crisis. "The Anglo-American 'special relationship' was revitalised immediately after the Suez Crisis", writes Risse Kappen. The United States wanted to restore the prestige of its closest ally and thus "The two governments...engaged in almost ritualistic reassurances that their 'special relationship' would be restored quickly". One example came with Britain's first Hydrogen bomb test Operation Grapple which led to the 1958 U.S.–UK Mutual Defence Agreement. Six years after the crisis, the Americans amazed the British by selling them state-of-the-art