How did quipu allow the Inca to overcome communication issues within their empire? (1 point)
Quipu used knotted strings rather than written words to allow for cross-cultural communication and record keeping
Quipu led to the promotion of Quechua as a common language across ethnic groups and geographic locations.
Quipu forced all Inca people to speak the same language. regardless of their geographic location and social status
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Quipu could only be read by some people, who used it as a O secret method of message-sending for elites within the
Inca Empire