A sort of follow-up to my old thread (https://www.alternatehistory.com/discussion/showthread.php?t=95165&highlight=Japan):
Use whatever POD for the Shun Dynasty to survive and stop the Manchu invasion of China. Then how could China go from there, to eventually conquering Japan?
Use whatever POD for the Shun Dynasty to survive and stop the Manchu invasion of China. Then how could China go from there, to eventually conquering Japan?