Inhabitants at Termit, in eastern Niger became the first iron smelting people in West Africa and among the first in the world around 1500 BC.[40] Iron and copper working then continued to spread southward through the continent, reaching the Cape around AD 200.[41] The widespread use of iron revolutionized the Bantu-speaking farming communities who adopted it, driving out and absorbing the rock tool using hunter-gatherer societies they encountered as they expanded to farm wider areas of savannah. The technologically superior Bantu-speakers spread across southern Africa and became wealthy and powerful, producing iron for tools and weapons in large, industrial quantities.