some of the reasons behind the begining of ww2 was the treaty of Versaille, the rise of hitler,appeasment, america not being in the league of nations
when america went into economical depression it draged the world along with it. People were angry and turned to facist leaders like Mousollini and Hitler. in japan the army took power
the nazis lost the war when
the japanease bombed pearl harbour bringing america into the war,
the americans beat the japanease in the battle of midway,