Sumerians need irrigation to survivor. If they didn’t have irrigation they would die. Irrigation might have been one of the most important invitation ever. They needed enough to feed the entire city-state. They used irrigation to grow corn, beats, and carrots. Irrigation was really helpful.
The great flood happened in Sumer. The great flood was a bible story where the entire world flooded. Sumer was the city state that was hit. A god warned Suruppark and a seer the world would flood.