At The treaty of Versailles, Woodrow Wilson, president of the USA gave 14 points to settle world peace, even though some of his points were rejected, the most important one which consisted of creating a 'League of Nations' was accepted. The League was formed on 1920, the aims of the League where to maintain peace and security in the world by countries acting together to stop war, this was called collective security. Some of the world powers were in the League since the beginning and that included: Britain, France, Japan and Italy. The USA never joined because Wilson was not president any m…