History -- Politics and government -- 4 Communism -- 3 Foreign relations -- 3 Relations -- 2 Autonomy and independence movements 1 Civil society -- 1 more ... Congresses -- 1 Foreign relations administration 1 Intervention -- 1 Military Relations -- 1 Military relations -- 1 Nuclear weapons -- 1 Perestroika 1 Political parties -- 1 Radioactive waste sites -- 1 Soviet occupation, 1979-1989 1 less ...