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2 3

Which military action led to the start of World War I
O Germany's invasion of France
Russia's muasion of Germany
Austria-Hungary's invasion of Serbia
Italy's mision of Bestia
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Answer 1

Austria-Hungary's invasion of Serbia led to the start of World War I.

Step-by-step explanation:

The military action that led to the start of World War I was Austria-Hungary's invasion of Serbia. This event occurred on July 28, 1914, when Austria-Hungary declared war on Serbia after the assassination of Archduke Franz Ferdinand. The conflict between these two countries eventually escalated, leading to the involvement of other major powers and the outbreak of World War I.

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