In June 1914, a gunman assassinated Archduke Franz Ferdinand, the heir apparent to the Austro-Hungarian Empire. This event set off a chain reaction that plunged Europe’s major powers, and the wider world, into all-out war. President Woodrow Wilson was determined to keep the United States out of the conflict, but when German submarine attacks put American lives at risk, the American people would become divided over how to respond to the increasing threat See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.