Terrorism Terrorism -- 6 Prevention 4 Prevention -- 3 Government policy -- 2 Hijacking of aircraft 2 Hijacking of aircraft -- 2 more ... Security measures 2 Achille Lauro Hijacking Incident -- 1 Aeronautics, Commercial -- 1 Airports -- 1 Child terrorists 1 Civil defense 1 Disaster relief 1 Drug traffic 1 Embassy buildings -- 1 Extradition 1 Government policy 1 Human rights 1 Index 1 International cooperation 1 International law 1 International offenses 1 International offenses -- 1 Islam 1 Political persecution 1 Politics and government -- 1 Religious aspects -- 1 Security measures -- 1 Terrorists 1 less ...