Right. Paul Robeson the famous 1940s singer and others went to Communist Party USA membership, leaving he Democrats behind. Followed in the 60s and later by the Angela Davis and Huey P. Newton types.
https://en.wikipedia.org/wiki/Category:African-American_communists
This is too long but interesting, with FBI conclusions about the black Communists in 1956.
Title:
The Communist Party and the Negro, October 1956
Eisenhower Presidential Library (.gov)
https://www.eisenhowerlibrary.gov › research
PDF
Communists in the United States believe that the movement for. Negro freedom in this country merges with the struggle of colonial peoples, particularly the ....
Yeah, look at how well socialism was embraced by so many places in Africa. They tend to like to go full Mandela.