Rock Painting at Tassili, AlgeriaThis scene of cattle grazing while a man stands guard over them was found on a rock face in Tassili n’Ajjer, a mountainous region in the Sahara where over fifteen thousand of these paintings have been catalogued. The oldest date back 9,000–12,000 years. Behind the man are perhaps his two children at play and his two wives working together in the compound. A cow stands in the enclosure to the right. (George Holton/Photo Researchers, Inc. Colorization by Robin Treadwell)
NNew crops introduced from Asia and the establishment of settled agriculture profoundly changed many African societies, although the range of possibilities largely depended on local variations in climate and geography. Bantu-speakers took the knowledge of domesticated livestock and agriculture, along with the ironworking skills that had developed in northern and western Africa, and spread them south across central and southern Africa. The most prominent feature of early West African society was a strong sense of community based on blood relationships and religion.