▁he ▁became ▁instrument al ▁in ▁show c asing ▁previously ▁unknown ▁Mand é ▁performance ▁trad itions ▁to ▁other ▁contin ents ▁as ▁well . ▁ ▁After ▁returning ▁to ▁Guinea , ▁he ▁published ▁the ▁poetry ▁collection ▁Po èmes ▁a fr ic ains ▁( 1 9 5 0 ), ▁the ▁novel ▁Le ▁Ma ître ▁d ' é cole ▁( 1 9 5 2 ), ▁and ▁in ▁ 1 9 5 7 , ▁Ke ï ta ▁wrote ▁and ▁st aged ▁the ▁narr ative ▁poem ▁A ube ▁a frica ine ▁(" A fr ican ▁Da wn ") ▁as ▁a ▁theatre - bal let ▁based ▁on ▁the ▁shooting ▁by ▁French ▁troops ▁of ▁protest ing ▁Afr icans ▁who ▁had ▁served ▁in ▁the ▁French ▁army ▁during ▁World ▁War ▁II . ▁However , ▁his ▁works ▁were ▁b anned ▁in ▁French ▁Africa ▁as ▁he ▁was ▁considered ▁radical ▁and ▁ant icol onial . ▁ ▁Polit ically ▁active ▁in ▁the ▁African ▁Democratic ▁R ally , ▁Ke ï ta ▁worked ▁closely ▁with ▁Guinea ' s ▁first ▁president ▁S ék ou ▁Tour é ▁from ▁ 1 9 5 6 , ▁and ▁in ▁ 1 9 5 7 ▁was ▁elected ▁to ▁the ▁Territ orial ▁Assembly . ▁In ▁ 1 9 6 1 , ▁Ke ï ta ▁was ▁appointed ▁minister ▁for ▁defense ▁and ▁security . ▁He ▁un cover ed ▁alleg ed ▁plots ▁against ▁S ék ou ▁Tour é , ▁but ▁was ▁imprison ed ▁in ▁the ▁inf am ous ▁Camp ▁Bo iro , ▁a ▁prison ▁he ▁himself ▁helped ▁construct , ▁for ▁alleg ed ▁comp licity ▁in ▁the ▁February ▁ 1 9