| Pachacuti is thought to have built Machu Picchu, either as a family home or summer retreat, although it may have been an agricultural station. |
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| Pachacuti sent spies to regions he wanted in his empire and they brought to him reports on political organization, military strength and wealth. |
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| These suyu were likely created around 1460 during the reign of Pachacuti before the empire reached its largest territorial extent. |
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| Tumbes was integrated into the Inca Empire during the reign of Sapa Inca Pachacuti. |
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| When Pachacuti, the 9th Sapa Inca ruled, he expanded the Empire to northern Peru. |
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| Pachacuti was born about 1418, the third son of Viracocha Inca and Coya Mama Runtu, the Inca's wife and sister. |
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