They used the Tigris and Euphrates Rivers.
The Tigris and Euphrates were the two most important rivers used for transportation and crops
so crops and land would not be flooded
Mesopotamia
Because they need to use those rivers for their crops. They also need it to help them survive>
It was important because it helped Mesopotamia's growing crops season.
The Tigris and Euphrates rivers
The Mesopotamians used the Tigris and Euphrates for their crops the only problem was the rivers flooded irregularly and there wasn't enough water when the floods did not occur but this problem was overcome by the invention of canals and irrigation.
the use of the Tigris and Euphrates rivers were fishing and tradeing . trade ing was a big prioretey for the sumarens to get other things from diffrent places. they also used the rivers to water their crops.
without irrigation, the crops wouldn't get as much water as needed. with irrigation, they took the water from the rivers and connected it somehow to the crops for water.
because the tigris and euphrates are both near the water and has enough sun and wind to keep it healthy and big!
The Tigris and Euphrates rivers because they surround Ancient Mesopotamia.