Terrorism -- Foreign relations -- 15 Government policy -- 12 Prevention -- 8 Politics and government -- 7 History -- 6 National security -- 6 more ... Prevention. -- 6 Foreign relations 5 Terrorism 4 War on Terrorism, 2001-2009 4 Defenses 3 Military policy 3 Politics and government 3 Prevention 3 Case studies 2 Civil defense -- 2 Cold War 2 Democracy -- 2 Drug traffic -- 2 Economic sanctions, American 2 Intelligence service -- 2 Islam 2 Islam and politics -- 2 Islamic fundamentalism -- 2 Political aspects 2 Political aspects -- 2 Relations 2 Religious aspects -- 2 Security measures 2 less ...