The answer for the question would be A.
The correct answer is - trade.
The Sumerians engaged in trade with their move of exchanging their surplus food for materials like the copper that they needed to develop their weapons and thus their army forces. This was a very smart move from their side because they managed to use the resource they had in abundance but was scarce in the other surrounding areas so that they take what they need to become stronger and pretty much defend more efficiently from the same people they were engaging in trade with.
Answer:
C. The site of an ancient battle
Explanation:
Archaeologists study past human activity by excavating, dating and interpreting objects and sites of historical interest
They were originally royal colonies. New York and New Jersey were under the direct control of the king.
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