What general influences and German actions forced President Woodrow Wilson out of his professed stance of true neutrality?
We entered World War I.
http://www.socialstudieshelp.com/usra_wwi.htm
Lindsay Hansen
Wilson realized that his new campaign escalated the war to a new level, and he therefore began to push for mediation and settlement. He extended his services as arbiter to both sides and all nations involved. At the same time, Wilson also notified Germany that serious consequences would result if American lives were lost from illegal German submarine warfare. !