Islamic fundamentalism Terrorism 30 Islam 20 Prevention 18 Foreign relations 15 Religious aspects 14 Jihad 12 more ... National security 11 Muslims 9 Relations 8 War on Terrorism, 2001-2009 8 Politics and government 7 Islam and politics 6 Terrorists 6 History 5 International relations 5 Political aspects 5 Radicalism 5 Recruiting 5 Domestic terrorism 4 Islam and state 4 Political activity 4 September 11 Terrorist Attacks, 2001 4 Diplomatic relations 3 Government policy 3 International cooperation 3 Islam and world politics 3 Military policy 3 Religious militants 3 War 3 less ...