Why did gold-salt traders favor the involvement of the ghanaians in their trade?

Ghanaians did not levy taxes on gold-salt traders.

Explanation:

The Kingdom of Ghana was maintained through an efficient tax collection system located in the main commercial depots of a territory not very well defined. However, these taxes were not levied on gold-salt traders, thus favoring Ghanaians' involvement in trade.

The gold was drained mainly to the region of the Mediterranean Sea, where the Arabs used in the coinage of coins. To control the regions of gold exploration, the king was directly responsible for productive control. To protect the gold region, the use of legends about fantastic creatures was used to ward off the greed of other peoples. Salt also had great value because of its importance for food preservation and the retention of liquid for the people who wandered in the desert.

i also think he is correct. i believe they came to washington to protest their rights.

its c not d   tell me if that´s correct