Some of the causes of World War Two included: a) the harshprovisions of the Treaty of Versailles b) the Great Depression c) therise of fascism in Germany and Italy d) inability of the League ofNations to deal with major international issues Personally WorldWar Two causes can be divided into two: long-term causes andshort term causes; There can be little hesitancy that one of the longterm causes of the war was the anger felt in Weimar Germany thatwas caused by the Treaty of Versailles.