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Sorry man I really don’t sorry man
It made steel more cost effective
Answer:
They also invented a flute, a drum, the famous Inca panpipe (a collection of hollow tubes of various lengths stuck together), terrace farming, freeze dried foods, aqueducts, strange and scary art, a central government, a unified language, woven colorful textiles, gold and silver jewelry and statues, specialized professions, a system of communication (the roadrunners) and much more. They were very clever people.
Explanation:
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