Final answer:
Both the Egyptian and Mesopotamian civilizations engaged in extensive trade with their neighbors in the region.
Step-by-step explanation:
A similarity between the Egyptian and Mesopotamian civilizations was that both civilizations traded with their neighbors in the region extensively. Trade was an important aspect of both societies and allowed for the exchange of goods, ideas, and cultural influences. The trade routes facilitated the movement of goods such as spices, textiles, and minerals.
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