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Sub Saharan Africa
| Term | Definition |
|---|---|
| Human evolution | Long-term biological maturation of the human species. |
| Rift valley | The trough or trench that forms when a thinning strip of the Earth’s crust sinks between two parallel faults. |
| continental drift | The slow movement of continents controlled by the processes associated with plate tectonics. |
| State formation | The creation of a state, exemplifying traditions of human territoriality that go back thousands of years. |
| Indirect rule | British colonial practice that kept indigenous power structures in place, co-opting individual rulers. |
| Land tenure | The way people own, occupy, and use land. |
| Land alienation | One society or culture group taking land from another. |
| Green revolution | The successful late-twentieth-century development of higher-yield, fast-growing varieties of rice and other cereals in certain developing countries. |
| Agribusiness | The agricultural operations of large, often multinational, corporations. |
| Medical Geography | The study of health and disease within a geographic context and from a spatial perspective. |
| Endemic | Refers to a disease in a host population that affects many people in a kind of equilibrium without causing rapid and widespread deaths. |
| Epidemic | A local or regional outbreak of a disease. |
| Pandemic | An outbreak of a disease that spreads worldwide. |
| Multilingualism | A society marked by a mosaic of local languages. |
| Formal economy | The part of a national economy that is registered with government agencies and complies with laws and regulations, especially taxation. |
| Informal economy | The part of a national economy that is not registered with the government, and for which reliable statistics are rarely available. |
| Apartheid | Literally, apartness. The Afrikaans term for South Africa’s pre-1994 policies of racial separation, a system that produced highly segregated socio-geographical patterns. |
| Exclave | A bounded piece of territory that is part of a particular state but lies separated from it by the territory of another state. |
| Sharia law | The strict criminal code based in Islamic law that prescribes corporal punishment, amputations, stonings, and lashings for both major and minor offenses. |
| Boko Haram | The violent, jihadist, terrorist organization that is based in— and controls parts of—northeastern Nigeria. |
| Xenophobia | Extreme dislike and fear of foreigners, sometimes fueled by populist politicians. |