Terrorism -- Government policy -- 16 Prevention -- 11 Foreign relations -- 8 National security -- 6 History -- 5 War on terrorism, 2001- 5 more ... Civil rights -- 3 Jihad 3 Politics and government -- 3 Case studies 2 Civil defense -- 2 Defenses 2 Influence 2 Islam 2 Military policy 2 Political aspects 2 Political aspects -- 2 Prevention. -- 2 Religious aspects -- 2 September 11 Terrorist Attacks, 2001 2 Asymmetric warfare -- 1 Case studies -- 1 Cold War 1 Cold War -- 1 Counterinsurgency -- 1 Cross- cultural studies 1 Democracy -- 1 Drug traffic -- 1 Economic sanctions, American 1 less ...