Mali
Gold and salt
Big, powerful empires like Ghana and Mali traded with their counterparts up there in the devilishly hot Sahara desert - precious gold for even more precious salt. So you see, salt was a very valuable commodity, as it could be used to preserve meats for long journeys, to deter pesky fleas, to set dye colors on fabrics, to exfoliate skin, and much more. The city nearest salt mines was Taghaza and the city nearest the gold mines was Koumbi Saleh.
oil, gold and salt.
salt and gold
Salt Lake City is the closest of those three. It is the second-closest state capital to Phoenix after Santa Fe, New Mexico.
The things that were traded were gold and salt
rice, salt, cloth, and Jew gold
salt and gold
gold and salt
salt and gold
They got it from Taghaza. It is also called "The City of Salt".They could've also gotten it from mines.