Ancient Mesopotamia was a river valley civilization. It was located on the banks of the Tigris and Euphrates Rivers. The Mesopot
amians were skilled hunters, but they primarily relied on agriculture for sustenance. The rivers helped them with their agricultural activities. The ancient Mesopotamians mainly depended on for food.
The Continental Congress adopted the Articles of Confederation<span>, the first constitution of the United States, on November 15, 1777. However, </span>ratification<span> of the </span>Articles of Confederation<span> by all thirteen states did not occur until March 1, 1781.</span>
