Hate speech in the United States
In a Supreme Court case on the issue, Matal v. Tam (2017), the justices unanimously reaffirmed that there is effectively no “hate speech” exception to the free speech rights protected by the First Amendment and that the U.S. government may not discriminate against speech on the basis of the speaker’s viewpoint.
It’s not a crime on its own in the US, but if it incites imminent lawless action that can be a crime.
“…except as a punishment for crime” -13th amendment
Maybe “former” slave plantation isn’t an accurate description.