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C. Existence of sharp economic differences between social classes.
The Incas were an empire located in modern day <span>Peru. All the other choices were investigated in North America. Therefore, inca gold is your answer!
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Answer: A representative democracy are citizens who elect leaders who make decisions on their behalf. A direct democracy are citizens that meet together and make decisions via a vote.
Explanation:
D, they mass produced identical looking houses on identical looking lots.