1. 11-1 World War I Begins

2. Causes of World War I What caused WWI? What alliances divided Europe in1914? What diplomatic crises sparked the war?

3. The Fighting Starts What was Germany’s Schlieffen Plan? What characteristics describe trench warfare during WWI?

4. Americans Question Neutrality What motivated those who opposed entering the war? What motivated those who favored it? What factors increased American sympathy for the Allies?

5. The United States Declares War Why did the German threat to sink all ships in British waters push the U.S. to declare war? What did the Zimmerman’s note reveal about Germany’s plans?

6. Terms and Names Militarism Nationalism No man’s land Trench warfare Allies Central Powers