The term WAR ENDER is used to refer to a TREATY or PACT that brings an end to a war. A TREATY is an agreement between two or more countries, while a PACT is an agreement between two or more people or groups. Treaties and pacts are often used to end wars, as they provide a framework for the parties involved to come to an agreement on how to end the conflict. Treaties and pacts can also be used to establish peace between two or more countries, or to create alliances between them.