Politics and government -- Foreign relations -- 6 History -- 4 Congresses -- 3 Nationalism -- 3 Relations -- 3 Communism -- 2 more ... Economic policy -- 2 Ethnic relations 2 Perestroika 2 Armed Foeces -- 1 Autonomy and independence movements 1 Baltic States -- 1 Civil society -- 1 Congresses 1 Elite (Social Sciences) -- 1 Federal government -- 1 Military policy 1 Minorities -- 1 Perestroika -- 1 Pluralism (Social sciences) -- 1 Political parties -- 1 Security, International -- 1 Social conditions -- 1 Socialism -- 1 Weapons system 1 less ...