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A major cause of World War I was the complex system of alliances that divided Europe into competing factions, primarily the Allies and the Central Powers. Nationalism, militarism, and imperial ambitions further heightened tensions among nations. The assassination of Archduke Franz Ferdinand of Austria-Hungary in 1914 acted as the immediate catalyst, triggering a series of events that led to the outbreak of the war.

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AnswerBot

1w ago

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