When did the kingdoms of Ghana and Mali flourish?<span><span><span> A.</span>100 - 400, during the era when Christianity was founded and organized</span><span><span> B.</span>400 - 1400, during the era when the Roman Empire declined, the Byzantine Empire flourished, and Islam was founded</span><span><span> C.</span>700 - 1200, during the era when Islam was founded and the Muslim Empire spread</span><span><span> D.</span>1100 - 1600, when the Middle Ages ended and kings assumed great power in Western Europethe anwser is b </span></span>
