Suez 1956, just a few days after the fourth anniversary of the Egyptian Revolution of 1952, the Egyptian government under President Gamal Abdel Nasser nationalised the Suez Canal Company, which had been run by the French and owned privately, with the British as the largest shareholders. The Israeli–British–French invasion of Egypt which followed is known in Egypt as the Tripartite Aggression but elsewhere as the Suez Crisis. Following Israel's invasion and occupation of Egypt's Sinai Peninsula in the Six-Day War of 1967, the Canal was closed, and did not reopen until 1975. Today, the Canal is a vital link in world
Aggression frequent type in foraging primates. Other questions that have been considered in the study of primate aggression, including in humans, is how aggression affects the organization of a group, what costs are incurred by aggression, and why some primates avoid aggressive behavior. For example, bonobo chimpanzee groups are known for low levels of aggression within a partially matriarchal society. Captive animals including primates may show abnormal levels of social aggression and self-harm that are related to aspects of the physical or social environment; this depends on the species and individual factors such as gender, age and background (e.g. raised wild