Psychological aspects Terrorism -- 25 International relations -- 19 Psychology 14 Social aspects 10 Terrorists -- 10 Prevention 9 more ... Decision making 6 Islam 5 Religious aspects -- 5 Political aspects 4 War -- 3 Case studies 2 Conflict management -- 2 Decision making -- 2 Economics -- 2 Foreign relations -- 2 Human rights 2 Human rights -- 2 International relations 2 Leadership 2 Man-woman relationship -- 2 Marriage -- 2 Mental health services -- 2 Nationalism 2 Peace -- 2 September 11 Terrorist Attacks, 2001 -- 2 Sociological aspects 2 Soldiers -- 2 Suicide bombers -- 2 less ...