User blog comment:Madster./Spain- Reconquista/@comment-4099026-20120317153739/@comment-3028058-20120319142657

WW2 started because Chamberlain's appeasement policy with Hitler didn't work. After Hitler got Sudentenland, he still wasn't happy. At that point the Allies realized that the balance of power was broken, and they had to stop Hitler in Poland.