Answer:
Thousands of artifacts were found in Djenné-Djenno as it was located in a branch of the Niger River.
Explanation:
Archaeological evidence shows that Djenne-Djenno was a major trading city in west Africa because of its location that allowed the place to be part of the Saharan trade network. The city grew as a trade centre because of its location next to the river. Artifacts such as copper and glass beads from Asia in Djenne gives evidence of trade presence.