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
Frustration–aggression hypothesis hockey game), but might not behave aggressively when they are by themselves (e.g. watching the game alone at home). When individuals are in a crowd, they are more likely to become desensitised of their own actions and less likely to take responsibility. This phenomenon is known as deindividuation. Frustration–aggression hypothesis Frustration–aggression hypothesis, otherwise known as the frustration–aggression–displacement theory, is a theory of aggression proposed by John Dollard, Neal Miller, Leonard Doob, Orval Mowrer, and Robert Sears in 1939, and further developed by Neal Miller in 1941 and Leonard Berkowitz in 1969. The theory says that aggression is the result of