<span>In the European history, the Early Middle ages lasted from 5th to the 10th century. The Early Middle Ages was the period where population was declining, majority of which was from the urban centers. The trades were also decreasing, increasing the immigration. From this statement, D, B, A can be cancelled out.
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Answer:
D They were located in the middle of major routes between different regions.
Explanation:
Trade had always existed between Europe and Asia, and the Middle East was where the trade routes would inevitably have to pass through. The middle passage of many trade routes such as the Silk Road had to pass directly through middle eastern kingdoms.
