Political violence Terrorism History 19 Politics and government 10 Prevention 10 Disappeared persons 5 Political aspects 5 more ... Government policy 4 Moral and ethical aspects 4 Radicalism 4 Religious aspects 4 Social aspects 4 Insurgency 3 Rhetoric 3 State-sponsored terrorism 3 Violence 3 War 3 Arab-Israeli conflict 2 Explosives 2 Guerrilla warfare 2 International relations 2 Irregular warfare 2 Law and legislation 2 Military doctrine 2 Nation-state 2 Philosophy 2 Political culture 2 Public opinion 2 Research 2 Right-wing extremists 2 less ...