1. Which country's interest did the Open Door Policy in China favor?
- The United States

2. What were the reasons behind the Boxer Rebellion?
- The Chinese Boxers did not like all the foreign troops coming into their country.

3. List three causes of World War I?
- Nationalism, Imperialism, Militarism & forming of Alliances.

4. How did the U.S. deal with German U-boats?
- The U.S. ships sail in groups guarded by military vessels.

5. What was the Selective Service Act used for?
- It required men to register with the government to be randomly selected for military services.

6. What new weapons did WWI introduce?
- Some new weapons were the tanks and the airplanes.

7. How did the Espionage and Sedition Act affect Freedom of Speech and Labor Unions?
- It took away the ability of the people to speak out and the Espionage and Sedition Act accused the IWW of sabotaging the war effort

8. Why was there opposition to President Wilson's League of Nations?
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