re: your map.
I find it interesting that they have German, Dutch, and Finnish, but those hailing from Africa are the only ones with the extension of American.
You’ll also notice that they’re the only ones who display a different culture.
“Black culture” didn’t exist prior to the civil rights era. It was artificially created as a means of creating a separation to benefit democrats. Its the concertina wire that tops the democrat plantation fence.
If you look at blacks of the 30s, 40s, and 50s, they were culturally indistinguishable from whites. Most conservative blacks are still culturally the same as whites.