Foreign relations -- 27 International relations 22 Terrorism -- 21 Politics and government 17 Terrorism 16 Economic development 10 Conflict -- 9 more ... Politics & government 9 Foreign relations 8 National security -- 8 Politics & government -- 7 United States 7 Democracy -- 6 Economic conditions 6 Prevention 6 Alliances -- 5 Democracy 5 Globalization 5 Military policy 5 Political science 5 World politics 5 Business and economics -- 4 Free trade -- 4 National security 4 Security, International 4 September 11 Terrorist Attacks, 2001 4 Territorial conflict 4 Weapons of mass destruction 4 Al Qaeda 3 China threat -- 3 less ...