[daniel1212]

And virtually nil among Asian-Americans.

Exactly, and pre-1960 and the expansions of Welfare, the black family was much different.

Culture, not color: Spiritual declension and liberal corruption of the American black family in particular and its correlation to behavioral problems ,

And in another in a list of negative firsts, Washington D.C. has the lowest marriage rate by far (31.5%). and the most single-parent households among large cities ranked:

https://www.badgerinstitute.org/numbers/single-parent-households-by-state/

[Theoria]

We once had a dynamic of lower social class of hard workers. But the open border lovers started flooding the country in 1965, and only got worse. We have several generations of citizens who were wiped out by the wage dynamic of cheap foreign labor. That becomes cemented into the social classes.

The south was flooded with cheap foreign labor displacing blacks etc into the labor pool. At the same time, politicians were adding people to welfare etc. So, many groups look to crime and drugs for a way out. Very much planned.