Egyptian Air Force Egyptian Government's nationalisation of the Suez Canal in 1956, Egypt was attacked by Israel, France, and the United Kingdom in what came to be known as the Suez Crisis ("Tripartite Aggression" in Egypt). Heavy losses were sustained by the Egyptian side. The conflict, though devastating militarily, turned out to be a political victory for Egypt, and resulted in the total withdrawal of the aggressor forces from the country. It also forced the EAF to begin rebuilding with non-British help. In 1958, Egypt merged with Syria to form the United Arab Republic, and the previously separate Egyptian, and Syrian forces were
Frustration–aggression hypothesis unjustified condition participants. The authors concluded that unjustified frustration leads to greater level of aggression, compared to justified frustration, which, in turn, results in higher levels of aggression compared to the non-frustration situations. In 1964, Leonard Berkowitz stated that it is necessary to have an aggression stimulus to make aggression take place. Then in 1974 and 1993, he remodified the frustration/aggression hypothesis into a theory that removed the importance of aggressive cues to the aggressive behavior. Which is to say, extremely angry subject will show aggression even if the aggression cue is absent. The most provocative theory introduced by Berkowitz