The document summarizes the origins and workings of the League of Nations, established after World War 1 to promote international cooperation and prevent future wars. It describes Woodrow Wilson's 14 Points which helped establish the League. The League's main bodies included the Council with 4 permanent members and broader Assembly. It had powers to condemn actions, impose sanctions, or offer arbitration. The document outlines some early successes in resolving disputes but also failures like the invasion of the Ruhr. It discusses how the Great Depression weakened the League by reducing international cooperation and rising militarism.