Answer:
The caused World War Two are given below:
1.The Failure of Peace Efforts.
2.The Rise of Fascism.
3.Formation of the Axis Coalition.
4.German Aggression in Europe.
5.The Worldwide Great Depression.
6.Mukden Incident and the Invasion of Manchuria (1931) .
7.Japan invades China (1937) .
8.Pearl Harbor and Simultaneous Invasions (early December 1941)
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