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Which regions did Topa Inca Yupanqui conquer during his reign?

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Topa Inca Yupanqui was a prolific conqueror who significantly expanded the Inca empire during his reign from 1471 to 1493. His military campaigns brought vast territories under imperial control, including:

  • The Titicaca Basin: After suppressing a revolt led by the Colla and Lupaca peoples, he solidified Inca authority in this region.1
  • Highland Regions: He conquered all of highland Bolivia, northern Chile, and the majority of northwestern Argentina, establishing the empire's southern boundary at the Maule River in central Chile.1
  • Southern Peruvian Coast: He successfully incorporated the southern coast of Peru into the state, a process that involved subduing various valleys, including the Cañete Valley, which offered significant resistance.1

While he also attempted an early campaign into the tropical rain forest near the Tono River, this expedition was largely unsuccessful and was abandoned to address internal rebellions.1