Terrorism -- Foreign relations -- 8 Government policy -- 6 History -- 6 Prevention 6 Islam 5 Politics and government 5 more ... Prevention -- 5 Religious aspects -- 5 Radicalism -- 4 Government publications -- 3 History 3 Politics and government -- 3 War on terrorism, 2001- 3 Insurgency -- 2 Islamic fundamentalism 2 Islamic fundamentalism -- 2 Jihad 2 Military policy 2 National security -- 2 Radicals -- 2 September 11 Terrorist Attacks, 2001 2 Terrorism 2 20th century 1 Case studies 1 Civil rights -- 1 Commando troops 1 Congresses -- 1 Control 1 Cooperation -- 1 less ...