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Inca Civil War and Spanish conquest

The forces led by Pizarro consisted of 168 men, along with one cannon and 27 horses. The conquistadors were armed with lances, arquebuses, steel armor and long swords. In contrast, the Inca used weapons made out of wood, stone, copper and bronze, while using an Alpaca fiber based armor, putting them at significant technological disadvantage—none of their weapons could pierce the Spanish steel armor. In addition, due to the absence of horses in Peru, the Inca did not develop tactics to fight cavalry. However, the Inca were still effective warriors, being able to successfully fight the Mapuche, who later would strategically defeat the Spanish as they expanded further south.