Psychological aspects 67 Psychology 30 Terrorism -- 29 International relations -- 21 Social aspects 14 Terrorists -- 13 Prevention 11 more ... Social psychology 10 Foreign relations -- 8 Decision making 6 Islam 6 Political psychology 6 Religious aspects -- 6 Conflict (Psychology) 5 Psychological aspects -- 5 Social conflict 5 Case studies 4 Conduct of life 4 Conflict management 4 Interpersonal conflict 4 Political aspects 4 Social conditions -- 4 Terrorism 4 Women -- 4 Conflict management -- 3 Decision making -- 3 Group identity 3 International relations 3 Leadership 3 Mental health 3 less ...