Africa
Encyclopedia article; The Columbia Encyclopedia, Sixth Edition, 2009
Collections:
Religious Studies, Education, Psychology, History, Literature, Philosophy, Entire Library
...highest densities are found in Nigeria, the Ethiopian highlands, the Nile valley, and around...region S of the Sahara. The resulting famine, disease, and environmental destruction...civil wars were the primary causes of a famine that spread across portions of sub-Saharan...