Prevention -- Terrorism -- 8 National security -- 7 Civil rights -- 3 Government policy -- 3 International cooperation 3 Civil defense -- 2 more ... War on terrorism, 2001- 2 Conflict management -- 1 Congresses -- 1 Cross- cultural studies 1 Defenses 1 Deterrence(strategy) 1 Emergency management -- 1 Ethnic relations 1 Foreign relations 1 Foreign relations -- 1 Genocide -- 1 History -- 1 International cooperation -- 1 International security 1 Law and legislation -- 1 Law enforcement -- 1 Military policy 1 Peacekeeping forces -- 1 Politics and government -- 1 Teerorism -- 1 Terrorism 1 United States -- 1 War on terrorism -- 1 less ...