question archive Without a written language the Inca developed an elaborate system of cotton knots to transmit messages across the empire
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Without a written language the Inca developed an elaborate system of cotton knots to transmit messages across the empire. Using the image Inca Khipu, a collection of colored, knotted strings (you can find this image in the Internet) speculate as to what types of information might be retained and transferred using such a system.