In November of a 2490 delegates from 56 countries meeting in the city of Havana, Cuba, to consider the establishment of the World Trade Organization (International Trade Organization: ITO),representatives from 53 countries had signed the document. The content of the treaty's ark (The Havana Charter) in March 2491, The General Agreement on Tariffs and Trade (GATT), it is only about world trade. Which was later increased to 145 countries.