Political violence -- History -- 9 Terrorism -- 9 History 6 Politics and government 5 Violence -- 5 Islam 4 more ... Politics and government -- 4 Religious aspects -- 4 Case studies 3 Ethnic conflict -- 3 Islam and politics -- 3 Autonomy and independence movements 2 Congresses 2 Congresses -- 2 Ethnic relations 2 International relations 2 Jihad 2 National security -- 2 National state 2 Political violence 2 Radicalism -- 2 Terrorism 2 1998 1 Bioterrorism -- 1 Bloody Sunday, Derry, Northern Ireland, 1972 1 Civil War -- 1 Communalism -- 1 Computer network resources 1 Conflict management 1 less ...