The kind of group cohesion you have in Japan tiday wasn't quite all there during the Meiji era (they'd just come out of a civil war, after all. Then there were also sporadic uprisings for decades after

https://en.wikipedia.org/wiki/Chichibu_incident)

The following may help--- if you think of Othello as a kind of ideal southern gentleman, as the Japanese sort of did

https://www.semanticscholar.org/paper/Othello-in-Tokyo%3A-Pe...

Now a Alt-Dixie readaptation of that adaptation must of course be the story of https://en.wikipedia.org/wiki/Nathan_Bedford_Forrest

(Taiwanese would be negroes loyal to the Cause, and Ainu would be the native Americans)