You are using an out of date browser. It may not display this or other websites correctly. You should upgrade or use an alternative browser.
alternatehistory.com
IOTL Japan is one of the more centralised countries in the world - the local governments heavily depend on the central government in Tokyo for authority and finances. With a POD in 1945, make Japan as federalised as possible - possibly the United States, perhaps even Germany. Is it possible? Will there be strong opposition? How can it be implemented? How will Japanese politics develop in this situation?