alternatehistory.com

A few days ago I had asked about a way to make the us even more right wing for a story idea but now I've ran into a new problem, African slavery. The us can't be insanely nationalistic with a diaspora like black people due to them looking different. So what alternatives could the US use as slaves instead of Africans? My best guess would be slavs or arabs but I'm not completely sure.
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