Kammala jumla mai zuwa: Harshen Koriya, kamar yadda Kungiyar Harshen Koriya ta bayyana a 1933 a cikin "Shawarwarin don Harshen Harshen Koriya" (), ya ci gaba da amfani da Arewa da Kudancin bayan
karshen mulkin Japan a 1945, amma tare da kafa Jamhuriyar Demokradiyyar Jama'ar Koriya da Jamhuriyar Koriya a 1948, jihohin biyu sun dauki manufofi daban-daban game da harshe.