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The Inca were originally a small warlike tribe inhabiting the south highland region of the Cordillera Central in Peru. In about 1100AD they began to move into the valley of Cuzco, where, for roughly the next 300 years, they raided and imposed tribute on neighborin ....

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.... (more than 2500 mi.) north to south. From east to west, it extended about 805 km (about 500 mi.); and it encompassed an area roughly equal in size to the present-day Atlantic Coast states of the United States. Scholars estimate that between 3.5 million to 16 million peoples of varying tribal backgrounds inhabited this immense region. The Inca's downfall occurred in the 1500's, when the Spanish Conquistadors invaded Peru, and the Incan civilization. The Conquistadors were led by a man the famous explorer, Francisco Pizarro. Pizarro and his men came to Peru in 1524, and by 1531, had taken over all of the Inca's land in the name of Spain. The stronger ....