Who were the Incas?

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The ancestors of the Incas lived among the mountains of Peru possibly as much as 4000 years ago. The Incas began building up their country in about A.D. 1200. From 1438 to 1493, two kings Pachacuti and his son Topa Inca, expanded the Inca empire. It eventually covered an area which extended into present-day Ecuador, Bolivia, Chile and Argentina. At its height in the 1400s, there were seven million people living in the Inca Empire. They were divided into nobles, common people and slaves. The emperor ruled as a dictator through a system of governors. The Inca people never invented writing, but used knotted cards called 'quipu' to record numbers.

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