Wheel
Writing
Calendar
legal code and number system
Answer:
It helped to unify Africans against their colonial situation.
Explanation:
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Answer:
"Pre-Columbian civilizations, the aboriginal American Indian cultures that evolved in Mesoamerica (part of Mexico and Central America) and the Andean region (western South America) prior to Spanish exploration and conquest in the 16th century. The pre-Columbian civilizations were extraordinary developments in human society and culture, ranking with the early civilizations of Egypt, Mesopotamia."
Explanation:
