Politics and government -- Biography -- 10 Foreign relations -- 9 Heads of state -- 7 Nationalism -- 6 Communism -- 4 History -- 4 more ... Congresses -- 3 Ethnic relations 3 Economic policy -- 2 Minorities -- 2 Perestroika 2 Politicians -- 2 Relations -- 2 Armed Foeces -- 1 Autonomy and independence movements 1 Baltic States -- 1 Civil society -- 1 Communism and science -- 1 Communists -- 1 Congresses 1 Developing countries -- 1 Elite (Social Sciences) -- 1 Elite (Social sciences) -- 1 Espionage, Soviet 1 Executive power -- 1 Federal government -- 1 Military policy 1 Patriotism -- 1 Perestroika -- 1 less ...