Economic conditions 61 Foreign relations -- 53 Politics and government 39 Foreign relations 37 Politics and government -- 31 Foreign economic relations -- 26 Congresses 24 more ... Economic policy 24 National security -- 23 Economic integration 22 Regionalism -- 20 History 16 Congresses -- 11 Periodicals 11 Social conditions 11 Economic conditions -- 10 History -- 10 Relations -- 9 Foreign Economic Relations 8 Free trade -- 8 Terrorism -- 8 Civilization 7 Commerce 7 Economic condition 7 Armed Forces -- 6 International relations 6 Strategic aspects 6 Commerce -- 5 Commercial policy -- 5 Defences 5 less ...