UNITED NATIONS ORGANIZATION: This organization was set up after the second world war in San Francisco on June 26, 1945, due to the failure of the League of Nations to prevent the outbreak if the second world war. ‘1h League of Nations was formed in 1919, after the First World War on 1914-1918, with the view of maintaining and promoting international cooperation and world peace. So the failure of the League of Nations to achieve its main objective of maintaining world peace necessitated the formation of a stronger international organization known as UNO. UNO’s headquarters is in New York, USA.