| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | irrigation | Ancient Mesopotamia | Irrigation was crucial for farming in a region with limited rainfall, and elaborate canal systems were developed for agricultural purposes. | 1 |
| 2 | irrigation | Ancient Mesopotamian | The invention of irrigation systems in Mesopotamia led to significant agricultural development | 1 |
| 3 | irrigation | Ancient Mesopotamian culture | Irrigation was a key innovation in Mesopotamia, where the use of canals and dikes allowed for successful farming in the region's arid environment | 1 |