1. WWI

2. Underlying Causes
Militarism-Reliance, dependence, and build up of the military.
Alliances-The countries of Europe are divided into two main “gangs”
Imperialism-The quest for land often leads to conflict
Nationalism-Nations thinking that they are the best

3. Who Fought Who?
Allied Powers: Great Britain, France, Serbia, Russia (good guys)
Central Powers: Germany, Austria Hungary, Ottoman Empire (bad guys)
Archduke Franz Ferdinand(CP) is assassinated in Sarejevo by a terrorist who believed in the (AP).
Everyone starts declaring war on each other (1914)

5. The United States -The U.S. wants to stay neutral
-But is still selling supplies to its friends, Great Britain and France
-The Germans get angry and sink the British ship, Lusitania (128 Americans die) (1915)
Zimmerman Note: A note from Germany to Mexico that asks Mexico to declare war on the USA
America decides to enter the war (1917)

6. First Modern War Trenches Poison Gas Airplanes Submarines (u-boats)
machine guns
tanks
motorized vehicles

7. Russia Russia Leaves because of the Russian Revolution (1917)
Communists take over Russia and kill the Tsar (Russian King) and his family

8. End of the War
America tips the balance to the side of the allies and we end up winning
Belleau Wood (U.S. Marines earn the nick name Devil Dogs for their fierce fighting) 
Central Powers Surrender (1918)

9. Treaty of Versailles
Central powers sign the Treaty of Versailles (1919)
Treats Germany like crap
Takes away its colonies
Takes away its army
Made Germany pay reparations (payments for damages)
Makes Germany say that the war was all their fault
Ends WWI, Starts WWII

10. League of Nations International Organization to prevent further war
President Wilson proposes
Precursor to the United Nations
Didn’t work because the U.S. doesn’t end up joining
Didn’t have any power to stop aggression