"Adolf Hitler’s 12 years as ruler of Germany led to the deaths of millions in World War II and earned him the crown of one of history’s most hated villains.He became a dictator with full-fledged support from many parties of Germany and assumed control of the military; to which no one else had power. He also began his campaign to take over other European lands and to exterminate anyone whom he saw as a hindrance to his progress; especially the Jews.