The racist shit started earlier. Daughters of the Confederate and so on. Nixon was a racist shit and a republican who was pivotal in the war against drugs. He also was recorded saying the war on drugs was to get black people. He disproportionately sent blacks and poor people to war.

https://eji.org/news/nixon-war-on-drugs-designed-to-criminalize-black-people/

Then there’s Reagan. https://www.npr.org/2019/07/31/747041525/historian-discusses-recording-of-reagans-racists-comments-made-to-nixon

https://en.wikipedia.org/wiki/Southern_strategy