Try actually looking at the data. Average household incomes are about $10-15k/yr higher in rural PA than in rural LA.
https://www.census.gov/library/visualizations/interactive/me...
Or here...
https://en.wikipedia.org/wiki/List_of_lowest-income_counties...
14 of the 20 poorest counties in the country are in Alabama, Louisiana, or Mississippi, and other than one in South Dakota, none of the 30 poorest are outside the South. Only 4 of the top 50 are from outside the South.
It really is a different level of poverty.
Did you just ignore this entire paragraph
>Most of the rural south is indistinguishable from rural Pennsylvania or most other rural part of the US. The main difference in the Mississippi Delta region is that the population is mostly Black descendants of former slaves who are still suffering the after effects of slavery and subsequent generations of sharecropping.