Government policy -- Terrorism -- 17 Foreign relations -- 8 Economic conditions -- 7 Prevention -- 7 Economic policy -- 6 Investments, Foreign -- 6 more ... Politics and government -- 6 History -- 5 International business enterprises -- 5 War on terrorism, 2001- 5 Case studies 4 Congresses -- 4 Economic conditions 4 Economic policy 4 Encyclopedias -- 4 National security -- 4 Petroleum industry and trade -- 4 Congresses 3 Foreign economic relations -- 3 International cooperation 3 Nuclear weapons -- 3 Produce trade -- 3 Refugees -- 3 Case studies -- 2 Emigration and immigration -- 2 Environmental aspects -- 2 Environmental policy -- 2 Foreign relations 2 Government policy 2 less ...