I'm sorry if this isn't right but from what I learned it's the first one :)
B. is the correct answer (<span>between the national government and the states)</span>
Answer:
Jurisdiction over the tribes: Cherokee, Quapaw, Choctaw, Osage, Shawnee, Caddo and Delaware. There was a government Indian factory (trading post) established on the Arkansas river known as the Arkansas Post.
Explanation:
<span><span> Downfall of Mali Empire:</span> </span>Weakened by attacks and internal rewbellion. The Mali lost it's hold on the Gold and Salt trade. The Songhai empire was then able to grow in power and take previously held Mali territories.
The downfall of Songhai Empire: The Moroccan armies invaded Songhai, which led the fall of Songhai empire.
The downfall of Ghana Empire: In the 11th century, when the Almoravids, a militant confederation of Muslims, began to attack the empire and even conquered it for a time. Though their grip on power did not last long, the chaos they brought to the region destabilized trade, hurting the empire's sources of income.
He had a hard anti-communist, no co-op with russia while the cold war was at its peak generating huge public support.