| A | B |
| Water Pollution | Contributes to the spread of disease in Africa |
| Exposure | ? to unsafe drinking water is the leading cause of disease in the Africa. |
| Improve Soil Quality | The reason why farmers in Sub Saharan Africa utilize slash and burn agriculture |
| Deforestation | the need for farmland causes this |
| Desertification | the expansion of deserts into regions that were previously a different biome |
| Pure Command Economy | Government owns all businesses |
| Traditional Economy | Bartering is most likely present in this economy |
| Mixed Economy | Describes the economies of Kenya, Nigeria, and South Africa. |
| Market and Command | Both are elements of mixed economies |
| Kenya | The government has the most influence in this nation's economy |
| Nigeria | This nation's economic freedom increased and became more like a market system. |
| Specialization | when society uses resources more efficiently |
| Embargo | official ban on trade |
| Quota | limited quantity of a particular product under official controls |
| Tariff | a tax or duty to be paid on a particular class of imports or exports |
| Currency Exchange System | necessary for trade to be conducted efficiently |
| International Trade | Currency exchange helps with this |
| Low Standard of Living | The lack of educational opportunities for citizens results in this |
| Oil | A Plentiful natural resource in northern Africa |
| Diamonds | A plentiful resource in southern Africa |