AHC: Japanese-Americans at 1-2% of total population

Your challenge is to somehow get the US to have 1-2% Japanese-American population. It'll be interesting to see how this could be done, and if it would be plausible. I suppose this could be a WI, as well.
 
Your challenge is to somehow get the US to have 1-2% Japanese-American population. It'll be interesting to see how this could be done, and if it would be plausible. I suppose this could be a WI, as well.

Japanese breeding like rabbits would be the only way to achieve it :cool:
 
There was small Japanese population prior to the Second World before many were interred and largely forced out. If you can avoid the war it might be enough to build off of.
 
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