The advance of Mesopotamian agriculture, urbanization, and writing. The Sumerians invent the first writing. They use pictures for words and inscribe them on clay tablets. One of the earliest forms of writing invented by the Sumer. It uses wedge shaped marks to make picture symbols on clay tablets. Watering crops through man-made efforts such as ditches and canals.
Mesopotamia - A term used to describe the lands between and near the Tigris and Euphrates Rivers. It is mostly located in present day Iraq and Syria