Answer:
The wheel, the development of canals to control the water, and the plow to excavate the ground.
Explanation:
Mesopotamia is a place influenced by the floods of the rivers Tigris and Euphrates. The people who settled there had to understand the terrain and control it. The wheel helped the Sumerians to transport goods in the mountain terrain easily; the canals had the purpose to transport the flood to the plantations, and the plow was useful to the harvest.