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  The Inca civilization settled in the valley of Cuzco in 1200 C.E.
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  Emperor Pachacuti was the founder of Machu Picchu 1438 C.E.
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  Was the last of the indigenous rulers of the Inca in 1572 C.E.
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  Conquistador best known for conquering the Incas and executing their leader, Atahuapla 1532 C.E.
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  Disease such as small pox led to the downfall of the Incas IN 1572 C.E.