Foreign relations -- 174 Politics and government -- 48 History -- 25 Communism -- 21 Nuclear arms control -- 16 Politics and government 16 Relations -- 16 more ... Biography -- 15 World politics -- 15 Congresses -- 14 Cold War 11 Military policy 11 Military relations -- 11 Economic policy -- 10 Developing countries -- 9 Heads of state -- 9 History 8 Nationalism -- 8 Economic conditions -- 7 Foreign economic relations -- 6 Perestroika 6 Sources -- 6 Ethnic relations 5 Foreign relations 5 Congresses 4 Detente 4 Foreign relations - -- 4 Mass media -- 4 Minorities -- 4 National security -- 4 less ...