World politics -- Foreign relations -- 7 Foreign relations 3 History -- 2 Security, International 2 Cold War 1 German reunification question (1949-1990) 1 more ... History 1 Imperialism -- 1 International relations 1 International status 1 Military policy 1 Moral and ethical aspects 1 National security -- 1 Nuclear arms control -- 1 Nuclear warfare 1 Nuclear warfare -- 1 Partition, Territorial 1 Politics and government -- 1 Relations -- 1 less ...