Title: Obama haengjŏngbu ch'ulbŏm ihu Tongbuga chŏllyak hwan'gyŏng ŭi pyŏnhwa wa Han'guk ŭi Tongbuga 4-kuk t'ongil oegyo chŏllyak
Subjects: Politics and government, Korean reunification question (1945- ), Foreign relations
Places: United States, Korea (South), East Asia
Time periods: 21st century