What commodity from the north di traders bring across Sahara to sahel?

The main commodities that North African traders brought across the Sahara to the Sahel were:

- Salt: Salt was one of the most important commodities traded across the Sahara. It was used as a condiment and a preservative, and it was also used in religious ceremonies.

- Gold: Gold was another important commodity traded across the Sahara. It was used to make jewelry, coins, and other objects.

- Slaves: Slaves were also traded across the Sahara. They were used as laborers, soldiers, and concubines.

- Horses: Horses were also traded across the Sahara. They were used for transportation and for warfare.