Prevention -- Terrorism -- 22 National security -- 7 Government policy -- 6 International cooperation 6 Terrorism 4 Civil rights -- 3 more ... Foreign relations -- 3 History -- 3 Military policy 3 War on terrorism, 2001- 3 Civil defense -- 2 Conflict management -- 2 Defenses 2 Emergency management -- 2 Political aspects 2 Politics and government -- 2 Prevention 2 Security, International 2 Weapons of mass destruction 2 Abused children -- 1 Asymmetric warfare -- 1 Biological warfare 1 Biological weapons 1 Bioterrorism -- 1 Boundary disputes 1 Cae studies 1 Case studies 1 Case studies -- 1 Child abuse -- 1 less ...