The answer is B. slow economic growth. hope it helps!
Answer:
What was the most important factor in making Mesopotamia's farmland fertile?
Floods on the Tigris and Euphrates rivers brought silt to the land. The fertile silt made the land ideal for farming.
Explanation:
Question-What made the Assyrians such a strong fighting force?
answer-Their homes were open to attack. Therefore, they formed a strong fighting force.