Political violence -- Terrorism -- Foreign relations 1 Government policy -- 1 Governmental investigations -- 1 Intelligence service -- 1 Internal security -- 1 more ... Islam 1 Islamic fundamentalism -- 1 Jihad 1 National security -- 1 Politics and government 1 Prevention. -- 1 Race relations 1 Radicalism -- 1 Religious aspects -- 1 September 11 Terrorist Attacks, 2001 1 War on Terrorism, 2001-2009 1 less ...