Answer:
I want to say the answer is A. The rivers mostly flat
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. Some items for which the salt was traded include gold, ivory, slaves, skins, kola nuts, pepper, and sugar
The primary focus of the National Security Council is to "<span>a. guide the President in foreign affairs," although the emphasis is on the use of force (or a lack thereof) in foreign nations. </span>
