<span>Sundiata, Mali's first leader, captured Ghana's capital and reestablished trade routes and gold and salt trade
there, hope that this helps. =)</span>
the answer is b, then the lowest population density is c Savannah.
The Chinese philosophical concept of the circumstances under which a ruler is allowed to rule. Good rulers would be allowed to rule with the Mandate of heaven, and despotic, unjust rulers would have the Mandate revoked.