Neutrality The US didn’t want to get entangled in European affairs that would lead to World War I The war began in 1914 when Germany and Austria-Hungary went to war with Britain, France, and Russia.
The Lusitania Germany continued using U-boats (submarines) to attack ships
In 1915, a U-boat sank the Lusitania, killing 1,200 civilian passengers. The press publicized the event, greatly influencing public opinion against Germany.
Wilson’s Reelection In 1916, Wilson ran for reelection. His slogan was “He kept us out of war.” He asked Congress to keep the military in a state of preparation – just in case…”Make the world safe for democracy.”
Zimmerman Telegram In early 1917 the British intercepted the Zimmerman telegram from the German government to their Mexican ambassador. A German plan to keep the US out of the war by urging Mexico and Japan to declare war against America. The press printed the telegram and public opinion changed to war.
Key Ideas of the Fourteen Points Self-determination Freedom of the seas League of Nations
Treaty of Versailles Ended World War I The French and English insisted on harsh punishment of Germany Created the League of Nations National boundaries were redrawn, creating many new nations
League of Nations Debate The US Senate refused to approve the Treaty of Versailles. Therefore, did not join the League of Nations US foreign policy decisions would have been made by an international organization.