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1.
Where was Arch Duke Franz Ferdinand shot?
2.
Which country entered the war first?
3.
What treaty ended the war
Treaty of Brest-Litovsk
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4.
What country was invaded in the Schlieffen Plan?
5.
Who was famously sent by Germany from Switzerland to Russia during the war?
6.
What was a Dreadnought?
7.
To which country was the Zimmerman Telegram sent?
8.
In what year did the United States join the war?
9.
What did the triple entente become?
10.
What was the deadliest battle of World War I?
First Battle of the Marne
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11.
In which modern country did the Gallipoli campaign take place?
12.
Which of these cities was invaded by Japan?
13.
Which of these countries left the war before it ended?
14.
Who was the American president during the war?
15.
What gas was most commonly used in World War I?