Prevention. -- Terrorism -- 6 Terrorists -- 5 National security -- 3 Government policy -- 2 Terrorism 2 War on Terrorism, 2001-2009 2 more ... Civil rights -- 1 Combatants and noncombatants (International Law) 1 Computer network resources 1 Detention of persons -- 1 Evaluation. -- 1 Executive power -- 1 Intelligence service -- 1 Internet -- 1 Islam 1 Jihad 1 Legal status, laws, etc -- 1 Online social networks -- 1 Political aspects 1 Political aspects -- 1 Politics and government -- 1 Recruiting 1 Religious aspects -- 1 September 11 Terrorist Attacks, 2001 1 Social media -- 1 War (International law) 1 War and emergency powers -- 1 less ...