Terrorism -- 17 Prevention -- 9 Government publications -- 5 Radicalism -- 5 Prevention 4 Terrorism 4 International cooperation 3 more ... Islam 3 National security -- 3 Religious aspects -- 3 Government policy -- 2 Politics and government 2 Radicals -- 2 Security clearances -- 2 Security, International 2 War on terrorism, 2001- 2 Cae studies 1 Case studies 1 Case studies -- 1 Computer crimes 1 Congresses -- 1 Counterinsurgency -- 1 Cyberterrorism 1 Emigration and immigration 1 Emigration and immigrtion 1 Foreign relations -- 1 Guerrillas -- 1 History 1 History -- 1 IS(Organization) 1 less ...