List the events that led to the United States to enter World War I.

Allied victory Central Powers victory on the Eastern Front nullified by defeat on the Western Front Fall of all continental empires in Europe (including Germany, Russia, Ottoman Turkey and Austria-Hungary) Russian Revolution and Russian Civil War, with the collapse of the Russian Empire and the subsequent formation of the Soviet Union Widespread unrest and revolutions throughout Europe and Asia Creation of the League of Nations (more ...)

River valleys were good places for hunting and fishing.