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One uncommon fact about the Inca civilization is that they would give intelligence tests to children and the results of these tests would determine if a child was sent to school or taught a trade. The Incas built over 18,000 miles of roadways in Peru and they used advanced farming techniques such as using canals to irrigate the crops. The civilization built buildings using stone and they were built so well that they were very resistant to earthquakes.

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10y ago

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