Maadi from the Egyptian army, future president Anwar Sadat. Following the 1952 Revolution, after which the British colonial occupation ended, and the 1956 Suez Crisis, or Tripartite Aggression, in which Britain, France and Israel attacked Egypt to regain control of the Suez Canal, British and French expatriates living in Maadi and elsewhere were forced to leave Egypt. As a result, some of their institutions, such as St.John's Anglican Church, were taken over and run temporarily by other nationalities. The oldest area in Maadi is El Sarayat, composed mostly of villas and low rise buildings. It is the most affluent part of
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