Foreign relations -- 189 Politics and government -- 114 History -- 84 Economic conditions -- 55 Politics and government 55 History 41 World politics -- 33 more ... Terrorism -- 32 Economic policy 30 National security -- 26 Social conditions -- 26 Military policy 25 Foreign relations 24 Congresses 23 Economic policy -- 23 Relations -- 23 Economic conditions 21 Free trade -- 21 Congresses -- 20 International relations 19 Foreign economic relations -- 18 Democracy -- 16 Government policy -- 16 Case studies -- 14 Debts, External -- 14 Social conditions 13 Civilization 12 Economic integration 12 Indians of North America -- 11 Military relations -- 11 less ...