Despite the fact that I lived in US from 1995 to 2011, dear burgerlards, can you explain this (my ETERNALLY GLORIOUS motherland never had slavery and mostly lacked in overt racism, so this is not common to me as a "concept" in the slightest):
https://en.wikipedia.org/wiki/Coon_Chicken_Inn
https://en.wikipedia.org/wiki/Sambo's

>last Sambo's restaurant was forced by BLM rioters into being renamed as "Chad's" in 2020