Who is Hitler of Modern Europe from Strategy and what is their importance?

Despite the justified unpopularity of Hitler's anti-Semitism and the fact that the Allied nations were thrilled to have conquered him and the other Axis powers, once the propaganda is removed, he has been revealed to be one of the world's greatest military generals of all time. For Americans, there is liable to be a strong "even though we do not like it" sting to the truth of this.