The Germans wanted revenge while the europeans didn’t
Did not have the authority or power to interfer and stop them. The US was not a part of it, just a note.
They would divide Germany in two. The Allies would get most of west Germany and split it between 3 occupation zones, French, British, and American. The Comintern would get most of East Germany and most of the countries East of Berlin would be turned into Soviet satellite states.