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:
The New England states did not support the war. They feared a land invasion and refused to place their militias under federal control. The Hartford Convention resulted in a declaration calling on the Federal Government to protect New England and to supply financial aid to New England's badly battered trade economy.
Explanation:
