1. World War I Causes and Alliances

2. The MAIN Causes of WWI M – Militarism A – Alliances I – Imperialism N – Nationalism

3. Alliances Before the War –Triple Alliance: Germany, Austria-Hungary, Italy –Triple Entente: France, Great Britain, Russia During the War –Central Powers: Germany, Austria-Hungary, Bulgaria, Ottoman Empire, Italy (switches sides in 1915) –Allies: France, Great Britain, Russia, U.S.A. (1917), and other nations

4. Igniting Incident June 28, 1914 - The assassination of Austria’s Archduke Franz Ferdinand and wife, Sophie, in Sarajevo, Bosnia Responsible group – Serbian nationalist and member of “Black Hand,” Gavrilo Princip

5. The Domino Theory (Chain Reaction) Austria sends Serbia an “ultimatum” –July 28, 1914 – Austria declares war on Serbia Russia mobilizes troops” –Aug. 1, 1914 – Germany declares war on Russia –Aug. 3, 1914 – Germany declares war on France Germany wants to attack France by way of Belgium; Belgium refuses –Aug. 4, 1914 – Germany declares war on Belgium –Aug. 4, 1914 – Great Britain declares war on Germany –Aug. 6, 1914 – Austria-Hungary declares war on Russia (Austria-Hungary & Germany – vs. – Belgium, Great Britain, France, Serbia and Russia)

6. Schlieffen Plan Germany’s plan depended on SPEED and avoiding fighting on two fronts. 1.Rush through Belgium & France to take Paris (the Western Front) 2. Then use trains to transport extra soldiers & supplies to the Eastern Front (German & Russian border) to fight Russians Plan failed – Germany must fight war on two fronts

7. WWI Technology Machine gun Big Bertha Poison Gas Tanks Flame throwers Airplanes U-boats WWI German messenger dog.

10. U.S. Enters War Germans employ UNRESTRICTED SUBMARINE WARFARE SINKING OF THE LUSITANIA THE ZIMMERMAN TELEGRAM

11. Lusitania