Political violence Terrorism 7 Democratization 3 September 11 Terrorist Attacks, 2001 3 Ethnic relations 2 Globalization 2 Security, International 2 more ... Terrorism -- 2 Violence 2 War on terrorism, 2001- 2 World politics -- 2 Arab-Israeli conflict 1 Case studies 1 Civil -- 1 Civil society 1 Conflict management 1 Culture conflict 1 Democracy 1 Ethic conflict 1 Ethnic conflict 1 Genocide 1 Humanitarian assistance 1 International relations 1 Iraq War, 2003- 1 London Terrorist Bombings, London, England, 2005 1 Military relations 1 National state 1 Peacekeeping forces 1 Political aspects 1 Political violence -- 1 less ...