Suez Crisis to prefer to use the sea route through the Suez Canal. As it was, the rise of super-tankers for shipping Middle East oil to Europe, which were too big to use the Suez Canal meant that British policy-makers greatly overestimated the importance of the canal. By 2000, only 8 percent of the imported oil in Britain arrived via the Suez canal with the rest coming via the Cape route. In August 1956 the Royal Institute of International Affairs published a report titled "Britain and the Suez Canal" revealing government perception of the Suez area. It reiterates several times the strategic
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