A. Correct the effects of past discrimination
repeated attacks on central cities by Babylonians, Medes, and Scythians
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Well, European countries didn't exactly solved all the problems they had when WW1 ended. The only reason why WW1 ended was because Europe got tired of fighting and wanted to clean up the aftermath of war. And Germany was also in devastation after WW1 and Hitler blamed all of this to the Jews which led to WW2.