The Devastation of World War One World War one is one of the most devastating wars in history. The war was caused by nationalistic tension between countries. After the war a treaty was to be drawn up between the Allies and Germany. This treaty was supposed to be based on Woodrow Wilson's Fourteen points. Self-determination was one of Wilson's ideas that a nation should rule themselves rather then be ruled by others. In his Fourteen points self-determination was a main focus was not the only main objective of his points. Self-determination was evident in cases such as the return of Alsace-Lorraine to France and the vote On the border of Denmark. However self-dete