Détente term used to erase tension in a relationship, especially in politics. The word comes under diplomacy arose in 1912 when Germany and France tried to overcome their anxiety. The tension reduced by having several verbal communication between the two countries. During the Cold War, the detente method used to reduce the tension between the nations, including the United States and the Soviet Union. In 1972, American President Richard Nixon visited Moscow to meet the secretary-general, Leonid I. Brezhnev.
Answer:The Empire had become too large to rule effectively. The outer provinces were pretty much doing whatever they wanted. Emperor Diocletian was looking for a way to fix this and other problems. He decided that the only thing to do was to actually break the empire into two pieces.