It marked the ancient border with Nubia to the south and was the conduit for the camel caravan trade in African products such as gold, ivory, and spices.
The road was crowded with merchants that used it to transport products.
mnli hypothesis: The road was crowded with merchants that used it to transport products. premise: It marked the ancient border with Nubia to the south and was the conduit for the camel caravan trade in African products such as gold, ivory, and spices.