World War II: Germany's War Guilt Clause

WWII could've been prevented if the Allied forces immediately took action on Germany gaining more land. There was a reason why Germany had the War Guilt Clause after WWI: to prevent another war by taking away Germany's power. But during 1933, after Hitler came in power, Germany was constantly gaining more and more land because Hitler attended meetings and committees to build his empire while the Allies were doing nothing to stop him. For example, the Nazi-Soviet pact between Hitler and Stalin created a neutral relationship between The Soviet Union and Germany as long as they didn't attack each other which made Russia, uninvolved while Hitler was taking over land in Poland. Not only that, but Neville Chamberlain even agreed to making an appeasement