Slavery in the US was only two human lifetimes ago. My grandfather has living memory of older relatives who were born slaves. And then white people who's grandparents were homesteaders, farmers, or small business owners wonder why black people today have no wealth.
Mass employment as employees is a relatively new phenomenom.
And if you're going to try and draw conclusions, then come out and say it instead of noncommittally leaving it up to our imagination.
How do you know I haven't formed this view based on data? You're assuming I don't have any data.
If your guess is right, we'd see differences in the effects of Jim Crow depending on what part of the country people lived in. Well, do we? I don't know.
That's one, very obtuse hypothesis.