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What was an essential key factor in the development of civilization during this period?

A. weapons and tools
B. papyrus
C. mercantilism
D. reliable trade networks

User Katsuya
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2 Answers

5 votes
d is the correct answrr
User Aleix
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D.Reliable Trade Networks at the time the silk roads where starting to form between Mesopotamia and Other early civilizations so trading was a big factor in the growth of the world.
User AndrewSilver
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