Government policy -- Terrorism -- Prevention -- 8 Foreign relations -- 7 War on terrorism, 2001- 5 History -- 4 National security -- 4 more ... Politics and government -- 3 Case studies 2 Influence 2 Jihad 2 Prevention. -- 2 Biography -- 1 Case studies -- 1 Civil defense -- 1 Civil rights -- 1 Cold War -- 1 Counterinsurgency -- 1 Cross- cultural studies 1 Defenses 1 Democracy -- 1 Economic sanctions, American 1 Emergency management -- 1 Foreign relations 1 Guerrillas -- 1 Insurgency -- 1 Iraq War, 2003- -- 1 Islam 1 Islamic fundamentalism 1 Islamic fundamentalism -- 1 less ...