Terrorism -- Terrorists -- Psychological aspects 9 Psychology 9 Prevention 7 Prevention. -- 4 Terrorism 4 more ... Government policy -- 3 Islam 2 National security -- 2 Prevention -- 2 Religious aspects -- 2 Athletes -- 1 Biography -- 1 Biological warfare -- 1 Case studies 1 Case studies. -- 1 Chemical warfare -- 1 Civil rights -- 1 Combatants and noncombatants (International Law) 1 Communism -- 1 Counterinsurgency -- 1 Detention of persons -- 1 Executive power -- 1 Foreign relations -- 1 History 1 History. -- 1 Identification. -- 1 Islamic fundamentalism 1 Islamic fundamentalism -- 1 less ...