Question: How does the following relate to diplomacy? The allies also agreed at Versailles, in accord with a core element of Wilson's Fourteen Points speech, to establish the League of Nations. The League was designed to provide states with an ongoing international legal and institutional framework to solve their disputes and avoid war. The League was also designed to provide collective security. That is, if any state threatened or actually used military force illegally against one or a number of the members, all the members pledged to form an overwhelming coalition to defeat that aggressor. Need Assignment Help?