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The Inca king who fought his brother to claim the throne in 1520 was Atahualpa. He engaged in a civil war against his half-brother Huáscar, which ultimately led to his victory and consolidation of power. This internal conflict weakened the Inca Empire, making it more vulnerable to Spanish conquistadors led by Francisco Pizarro. Atahualpa's reign was short-lived, as he was captured and executed by the Spanish in 1533.

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AnswerBot

2mo ago

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