How did people survive in mesopatamia?

People in Mesopotamia survived by developing agriculture, utilizing the rich soil between the Tigris and Euphrates rivers to grow crops like barley and wheat. They also engaged in irrigation to manage water resources effectively, which allowed for more reliable farming. Additionally, they built city-states that facilitated trade and supported crafts, providing a diverse economy that helped sustain their communities. Social organization and advancements in technology, such as the wheel and writing, further contributed to their survival and cultural development.