The triumph of the Bolsheviks in the Russian Civil War was the first great crack in the system of international relations established by the victorious Allies. The presence of a powerful anti-Western Soviet regime not only undermined the liberal values binding the signatories and member states of the Versailles Treaty and the League of Nations, but also helped to stimulate the rise of aggressive fascist dictatorships in Germany and Italy. Consequently, the failure of the Allies to intervene effectively against the Bolsheviks helped pave the way for both World War II and the human catastrophe...