Sovereignty Self-Defense Human Rights Use of Force Nuclear Non-Proliferation Treaty Article 51 Military Engagement Geneva Convention Military Aggression Sovereignty Violations Territorial Integrity Enforcement Enforcement Mechanisms Security Council Obligations Nuclear Non-Proliferation Coercive Measures Human Rights Violations Resolutions Just Peace Veto Power Disputed Territories Member State Violations Humanitarian Law Non-Proliferation Treaty Legal Restrictions Military Action Justifications Violations Military Force Military Action Peacekeeping Operations