Answer:
A civilization is a complex human society, usually made up of different cities, with certain characteristics of cultural and technological development.
Explanation:
The empire was founded by Sundiata Keita and became renowned for the wealth of its rulers, especially Mansa Musa I hope this is helps
Take off D; the North had won some battles up to that point. Rip off A; the South would never let go of slavery. Take off B, since the Union had some wins already. You can now clearly see where the answer is.