Insiguro y'isanamu, Ngozi Okonjo-Iweala yahoze ari umushikiranganji w'ikigega ca leta wa Nijeriya Burya ibiganiro vyerekeye ubudandaji bibera mu karwi gatoya kandi bikabera mw'ibanga, ariko ibivamwo bikaraba ubuzima bw'abantu bose.
