Terrorism -- Prevention 13 Foreign relations -- 8 Government policy -- 7 History -- 7 Prevention -- 7 Government publications -- 6 more ... Islam 6 Religious aspects -- 6 Politics and government 5 History 4 Jihad 4 Radicalism -- 4 September 11 Terrorist Attacks, 2001 4 Terrorism 4 War on terrorism, 2001- 4 Islamic fundamentalism 3 National security -- 3 Politics and government -- 3 War on Terrorism, 2001-2009 3 Case studies 2 Commando troops 2 Counterinsurgency -- 2 Fiction 2 Government policy 2 Insurgency -- 2 Islamic fundamentalism -- 2 Military policy 2 Radicals -- 2 Social aspects 2 less ...