I believe this event was an important cause of WW2 because it led to the rise of fascism and the rise of Hitler. I also believe it was due to germany having to pay 33 billion back after ww1 and forced to take the blame for the war in order to justify the reparations. German economy went down, and many germans were unemployed. Also because they lost land and were forced to limit their army. Which was the reason why they were very angry about the treaty and was why they acted the way they did. they affected the war.