Several new trade organizations form, in Asia, Europe, South America, etc. that are compatible not only internally but with the other trade structures. True global trade is established, using the sense of goodwill and willingness to negotiate that follow the devastation of the war. A global currency is introduced as well, and a global trade language evolves that is a derivative of Japanese, English, and French. This ushers in a new era of global prosperity, as countries help each other economically.
Japan emerges as the new world superpower, helping to rebuild the U.S. and implementing their business and energy structures, making them dependent on them in a lot of ways. Africa becomes an agricultural player to pick up where the U.S. no longer produces.