| A | B |
| Capital city of Democratic Republic of Congo | Kinshasa |
| Main food crop of a region | staple |
| Largest city in Nigeria | Lagos |
| Region of semiarid climate along southern edge of | Sahel |
| System under which a country produces some | dual economy |
| Spread of desert conditions | desertification |
| River that flows northward from Zambia | Congo River |
| River that empties into the Gulf of Guinea | Niger River |
| Important center of trade during the Ghana | Timbuktu (Tombouctou) |
| Drought-resistant grain | sorghum |