Politics and government -- 22 Politics and government 21 Economic conditions 13 Foreign relations -- 12 History -- 11 Foreign relations 9 History 9 more ... National security -- 8 Economic policy 7 Civilization 5 Economic conditions -- 5 Congresses 4 Dictionaries -- 4 Politics and Government -- 4 Security, International 4 World politics -- 4 Congresses -- 3 Defenses 3 Economic policy -- 3 Foreign economic relations 3 Imperialism -- 3 Monarchy -- 3 Chronology 2 Economic forecasting -- 2 Foreign economic relations -- 2 Minorities -- 2 Race relations 2 Religion 2 Acculturation -- 1 Addresses, essays lectures 1 less ...