Terrorism -- 20 Terrorism 19 Prevention 8 Foreign relations -- 3 Security, International 3 Transnational crime 3 Encyclopedias 2 more ... Hijacking of aircraft 2 International offenses 2 Islam 2 Jewish-Arab relations -- 2 National security -- 2 Nuclear terrorism 2 Prevention -- 2 Religious aspects -- 2 Social conflict 2 Transnational crime -- 2 War on terrorism, 2001- 2 Airports -- 1 Arab-Israeli conflict 1 Bibliography 1 Case studies 1 Deterrence(strategy) 1 Drug traffic 1 Espionage, America -- 1 Espionage,American -- 1 Hijacking of aircraft -- 1 History -- 1 Hostage negotiations 1 Index 1 less ...