Answers to pre/post test:1. c. Ghana, Mali, Songhai
2. a. the 8th to 11th centuries
3. b. its ability to control the trade of gold between West and North Africa
4. c. Soninke
5. b. the 13th to 15th centuries
6. b. Sundiata was defeated by Sumanguru at Kirina in 1235
7. c. imposition of a single language and culture throughout the empire.
8. d. the practice of ancestor worship
9. b. abolishing slavery
10. b. geographic location