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World War 1: A Comprehensive Overview of the Great War - History
At A Hefty Cost, World War I Made The U.S. A Major Military Power : Parallels : NPR
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World War 1 begins July 28, 1914 | St. Tammany Parish Library
How Did World War 1 Start? | History for Kids - YouTube
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World War I: Summary, Causes & Facts | HISTORY
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World War I | History, Summary, Causes, Combatants, Casualties, Map, & Facts | Britannica
The Beginning of World War I | Facing History & Ourselves
World War I - Wikipedia
Timeline of World War I | Britannica
World War I - Wikipedia
Introduction - World War I Declarations: Topics in Chronicling America - Research Guides at Library of Congress
How did the First World War start? - World News - Mirror Online
Was World War I Avoidable? | GW Today | The George Washington University
