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U.S. Entry into World War I Worksheet

This worksheet explores the key events and factors that led to the United States' entry into World War I, including unrestricted submarine warfare, the Zimmermann Telegram, and President Wilson's shift from neutrality to intervention.

Grade 9 Social studies World HistoryUnited States Entry Into World War 1
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Multiple ChoiceFill in the BlanksTrue / FalseShort AnswerMatching

Topics

SS.912.W.6.4SS.912.A.4.5World War IUS HistoryZimmermann TelegramLusitaniaWoodrow Wilson
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U.S. Entry into World War I

Name:

Date:

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Read each question carefully and answer to the best of your ability. For multiple-choice questions, circle the letter of the correct answer.

1. What was the primary reason for the United States' initial stance of neutrality at the outbreak of World War I?

a

A desire to expand its global empire

b

A strong economic alliance with Germany

c

A policy of isolationism and a focus on domestic issues

d

Fear of a direct attack on American soil

2. The sinking of which British passenger liner by a German U-boat in 1915 significantly turned American public opinion against Germany?

a

Titanic

b

Lusitania

c

Britannic

d

Andrea Doria

3. The   was a secret diplomatic communication issued from the German Foreign Office in January 1917 that proposed a military alliance between Germany and Mexico if the United States entered World War I.

4. President Woodrow Wilson's re-election campaign in 1916 used the slogan, "He kept us out of  ."

5. Germany's policy of unrestricted submarine warfare meant that its U-boats would sink any ship, military or civilian, in the war zone without warning.

T

True

F

False

6. Explain how the Zimmermann Telegram contributed to the United States' decision to enter World War I.

Match each term with its correct description.

7. Woodrow Wilson

 

a. German Foreign Secretary who sent the telegram to Mexico

8. Arthur Zimmermann

 

b. President of the U.S. during WWI

9. U-boat

 

c. German submarine