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What event led to the beginning of World War I?

Retry Correct Incorrect According to the Library of Congress, a complicated web of international alliances led the assassination of the Austrian Archduke Franz Ferdinand in Sarajevo to snowball into a conflict that would affect the whole world. Austria declared war on Serbia, which was allied with Russia. Austria and Russia called on the support of their respective allies, and before the world knew it, Europe’s biggest powers at the time were locked in combat.

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The Print Collector/Print Collector/Getty Images

The Print Collector/Print Collector/Getty Images

What event led to the beginning of World War I?

• The Russian Revolution
• The sinking of the Lusitania
• The assassination of Archduke Franz Ferdinand
• Germany’s conquest of Alsace and Lorraine