Terrorism Religious aspects 26 Islam 25 Foreign relations 12 Islamic fundamentalism 12 Prevention 9 History 8 more ... Jihad 7 Terrorists 7 International relations 6 War on Terrorism, 2001-2009 6 Government policy 5 Psychology 4 Radicalism 4 Relations 4 Education 3 Engineering students 3 Extremists 3 Islam and politics 3 Military policy 3 Political activity 3 Violence 3 War 3 Diplomatic relations 2 Espionage, American 2 Political and social views 2 Political aspects 2 Politics and government 2 Security, International 2 Terrorisme 2 less ...