Which organizations are responsible for mediating and resolving disputes between countries and promoting international peace and security?

The organization responsible for mediating and resolving disputes between countries and promoting international peace and security is the United Nations (UN). One of the United Nations’ primary organs, the Security Council, is critical in dealing with threats to peace and security. It has the jurisdiction to impose sanctions, authorize peacekeeping operations, and issue binding decisions to member states. Another significant UN organization, the General Assembly, provides a venue for member nations to discuss and coordinate global concerns such as peace and security.