Why did the kingdom of Ghana suddenly need to trade gold for salt?

/~\ I believer the correct answer is:

The Akan lived in the forests of West Africa, they had few natural resources for salt and always needed to trade for it.

I hope this helps! /~\

Because the Akan lived in the forests of West Africa, they had few natural resources for salt and always needed to trade for it. ... Camel caravans from North Africa carried bars of salt as well as cloth, tobacco, and metal tools across the Sahara to trading centers like Djenne and Timbuktu on the Niger River.

kennedy used a range of this to develop a 'flexible response' plan for any international crisis. “he also expanded the it was important, because it ordered the fall of khruschev.

the answer is b just took the test