Rulers of this ethnic group borrowed a magic whistle used to guarantee victory when blown before battle from the Mangbetu. The status of “court metal” was reserved for three-bladed knives produced by this ethnic group’s (10[1])Avongara clan. Descendants of this ethnic group, which developed kpinga (“kuh-PIN-guh”) knives, ruled the 19th-century sultanates of Rafaï (“ruh-FYE-ee”), Zémio, and Bangassou. Nearby peoples referred to this ethnic group as “Niam-Niam” due to their supposed penchant (10[1])for cannibalism. King Gbudwe (“BOOD-way”) ruled a state of this ethnic group, who name a postwar cotton cultivation scheme in Sudan. An anthropologist rationalized beliefs of this (-5[1])Ubangian-speaking (-5[1])ethnic group by (-5[1])using an anecdote about a “granary” collapse. (10[1])Oracles (-5[1])of this ethnic group divine answers (10[1])by (10[1])poisoning chickens (10[1]-5[1])with benge (-5[2])(“ben-GAY”). For 10 points, name this Central African ethnic group whose views on magic and witchcraft (10[1])were (10[1])studied (10[1])by E. E. Evans-Pritchard. (10[2])■END■ (10[2]0[10])