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What Started World War I
:max_bytes(150000):strip_icc()/world-war-one-causes-resized-569ff8933df78cafda9f58a3.jpg "The Top 5 Causes of World War I")
The Top 5 Causes of World War I
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World War I - Wikipedia
Introduction - World War I Declarations: Topics in Chronicling America - Research Guides at Library of Congress
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