Question

what were the causes of ww2

Answer 1

The immediate cause of WW2 is the invasion of Poland by Hitler due to the humiliating terms of treaty of versatile.

Answer 2

Among the causes of world war 2 were Italian fascism in the 1920s , Japanese militarism and invasions of china in the 1930s , and especially the political takeover in 1933 of German by Hitler and his Nazi party and its aggressive foreign policy.