Who was mansa musa?
a. a muslim leader who introduced islam to the people of mali
b. a muslim emperor who ruled ghana for fifty years and brought gold to his kingdom from egypt
c. the fourteenth century muslim ruler of mali known for his hajj and the plans he brought back to timbuktu
d. the name for the council of leaders that ruled mali and arranged for trades with other nations

Which points did chief justice roger b. taney use to justify the supreme court’s ruling in the dred scott case? the property clause of the constitution, the due process clause of the fifth amendment, and the fact that african americans were not citizens. the practice of judicial review established in marbury v. madison, the property clause of the constitution, and the due process clause of the fifth amendment. the necessary and proper clause of the constitution, the due process clause of the fifth amendment, and the fact that african americans were not citizens. the commerce clause of the constitution, the elastic clause of the sixth amendment, and the practice of judicial review established in gibbons v. ogden.