I’ve always had the opinion that what caused the German portion of WW2 wasn’t so much the treaty, but the fact that its army was allowed to quit the field intact at the end of WW1.

This allowed a myth to build up in the popular mindest that if they’d only held out a little longer, fought just a little bit harder, they could have won that war.

Also, a good part of why Hitler was so quick to join the Japanese in war against the US was because the concept of Americans as weak, stupid, feckless, grossly incompetent, etc etc was very well established as “fact” in nearly all of Europe at that time. America was seen as no real threat. Just an over ripe land of resources squatted on by degenerate mongrels. The American contribution to the defeat of the Germans in WW1 had been so thoroughly devalued and revised into nil that our efforts were seen as only cosmetic by the time of the ’30s. Heck, from 1919 onward, American diplomats in Europe were routinely referred to as “those dirty little people”, even to their faces during official functions.