Answer:
The combination of silt soil and water from the rivers made the Mesopotamia the most fertile farmland in the region.
Step-by-step explanation:
Mesopotamia is located between the Tigris and Euphrates river. This two rivers therefore have effects on this area by depositing silt in the area together with the water from the rivers.
This silt is fertile and rich and enables. even though the area has low rainfall, the water from these rivers in combination with the silt deposited makes the farmland fertile