A 1992 study of police corruption by the defense personnel security research center found that the single best predictor of corruption was m<span>isconduct early in the career. The center used in the study four commonly used personality inventories in law enforcement. The study concluded that only modest improvement in corruption should be made.</span>
Well, it is a desert, and in deserts, generally there isn't much rain. Because of that, it would probably be the hardest to farm in the Sahara. Hope this helps :)