American boat that was sunk by the German U-boats and made America consider entering WWI
Telegram sent by Germans to encourage a Mexican attack against the United States. Intercepted by the US
Selective Service Act
law requiring all males aged 21 to 3o to register for military service
policy of building up strong armed forces to prepare for war
Great Britain, France, Italy, Russia, and later the US
Germany, Austria-Hungary, Bulgaria, and Ottoman Empire
a form of warfare in which opposing armies fight each other from trenches dug in the battlefield.
Public Information Act
Act that makes government information available to the press and to the public
Espionage and Sedition Act
Two laws enacted to impose harsh penalties on anyone interfering with or speaking against U.S participation in WWI
a series of proposals in which U.S. president Woodrow Wilson outlined a plan for achieving a lasting peace after World War I.
League of Nations
an international organization formed to promote cooperation and peace among nations.
payments for war damage
Versailles Peace Conference
Conference where the victorious nations of WWI came together to negotiate peace treaties.
General John Pershing
General of the American Expeditionary Force in WWI
archduke of Austria Hungary who was assassinated; his death was a main cause for World War I