Black Friday: lifetime access is on a special offer in the app, until November 30. Black Friday: special offer on lifetime access, until November 30. Download
영토적 분쟁은 국제 관계에서 중요한 문제입니다.yeongtojeok bunjaengeun gukje gwangyeeseo jungyohan munjeimnida.Territorial disputes are an important issue in international relations.