Fourteen Points: A set of principles outlined by President Wilson that aimed to ensure lasting peace after WWI by addressing territorial disputes, promoting national self-determination, and creating an international organization (League of Nations).
Treaty of Versailles: The peace treaty signed at the end of WWI that imposed harsh conditions on Germany while reshaping borders and redrawing national boundaries in Europe.
League of Nations: An intergovernmental organization established after WWI with the goal of preventing future conflicts through diplomatic negotiations and collective security.