When the Spanish Conquistadors encountered the mighty Inca empire, they found thousands of knotted-up ropes called quipus. Encoded in these quipus were tax records, census data, and the entire ...

At the height of its existence the Inca Empire was the largest nation on Earth ... its rule resulting in a universal language - a form of Quechua, a religion worshipping the sun, and a 14,000 ...

At the height of its existence the Inca Empire was the largest nation on Earth ... its rule resulting in a universal language - a form of Quechua, a religion worshipping the sun, and a 14,000 ...