Could someone help? The murder of Archduke Franz Ferdinand at Sarajevo led to the outbreak of World War I. a. true b. false 12 The Triple Alliance included Germany, Austria-Hungary, and Italy. a. true b. false 13 When World War I began, President Woodrow Wilson stated that the United States was on the side of Great Britain and France. a. true b. false 14 The War Industries Board regulated the production of goods needed for the war effort. a. true b. false 15 The United States entered the war on November 11, 1918. a. true b. false 16 Great Britain and France wanted the United States to provide supplies but did not want the United States to send soldiers to fight in the war. a. true b. false 17 Trench warfare and the use of new weapons made World War I a shorter conflict than the Spanish-American War. a. true b. false 18 The convoy system was used to protect shipping from submarine attacks. a. true b. false 19 The Treaty of Versailles ended the war and established the League of Nations. a. true b. false 20 President Wilson signed the treaty ending the war, but the United States Senate refused to ratify it. a. true b. false