What trade goods were produced in cities north of the Mali and Songhai empires? copper, cloth, & salt fish, whale oil, &dried algae maps, bags, & silver Bibles, rosaries, & prayer candles

The trade goods produced in cities north of the Mali and Songhai empires included copper, cloth, and salt. These items were significant in trans-Saharan trade routes, with salt being particularly valuable as a preservative and essential dietary mineral.