Sumer had a surplus of "food", due to the fact that they were an agrarian outcome of the Neolithic Revolution. This meant that people could focus on other activities besides farming. <span />
The answer is that it established the power of the federal government. It allowed state government to overule the federal government also established the power of state government. And decided the the federal government cannot tax states.
The Articles of Confederation and Perpetual Union was an agreement among the 13 original states of the United States of America that served as its first constitution. It was approved, after much debate, by the Second Continental Congress on November 15, 1777, and sent to the states for ratification.
Hamilton wanted to build the first national bank and Jefferson wanted to not build a bank because of debts they had to still pay back.