I would not join DSA if it required masking. It is 20-fucking-25. "Chronically ill" and "disability justice" advocates are some of the most insufferable people on the online left
The 1950 number isn't even accurate. The "white" population of California was 94% but it included Hispanics which the 2021 figure doesn't. And Democrats won many statewide elections back then.
Ironically it was (conservative) Democrats who ruined Mississippi by making it the most segregationist backwater in the country during the Jim Crow era; it advanced some post-WWII but Republicans have stagnated it for the past 30 years
I am in APUSH right now and was taught in APUSH that the growing divide between the North and South over the expansion of slavery was the main cause of the Civil War.