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A. The Articles of Confederation

Explanation: The government did not give enough power to the states In the system of checks and balances, which branch of government was generally considered the most important to the Founding Fathers because of the need to establish a social contract, which is probably why they wrote about it first in Article 1 of the U.S. Constitution.

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The south's greatest advantage was that they were fighting in familiar territory. They were trying to protect and defend their homeland. They knew the area well unlike the north who was trying to get back the southern states