"The Sangu, at times called Rori (People of the Steppes), are an ethnic and linguistic group based in the Usangu Plain of Mbeya Region, Tanzania. By 1907 the Sangu numbers were thought to be about 30,000. In 1987 the Sangu population was estimated to number 75,000.
Before the coming of the Ngoni, an African group along the coast, the Southern Highlands had no political unit larger than clan chiefdom. The clans who became known as the Sangu were probably organized into a military force in the 1830s after being attacked by outside forces. The Sangu sent slaves and ivory to representatives of the coast and were the first to adopt the weapons, tactics, and organization of the Ngoni and began to dominate the highlands until a civil war broke out with the death of Merere I." - (en.wikipedia.org 11.08.2021)
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