Politics and government 6 Politics and government -- 5 Economic conditions 2 History 2 Korean reunification question -- 2 Military policy 2 World politics -- 2 more ... Communism -- 1 Economic conditions -- 1 Foreign relations 1 Foreign relations -- 1 Korea (North) -- 1 National security -- 1 Nuclear nonproliferation -- 1 Nuclear weapons -- 1 Social conditions 1 Weapons of mass destruction -- 1 less ...