Koumbi Saleh and NianiOuagadougou and AccraKoubmi Saleh and BureNiani and CairoThe Ghana and Mali Empires were centered on what two capital cities, respectively?Elon.io is an online learning platformWe have an entire course teaching World History 1 grammar and vocabulary.Start learning World History 1 nowYour questions are stored by us to improve Elon.ioYou've reached your AI usage limitSign up to increase your limit.