What Economic Trend Occurred in the South in the 1850s

What economic trend occurred in the South in the 1850s?

A) Many poor whites lost their land and were forced to serve as tenant farmers alongside slaves.
B) The high price of slaves and the deep debt incurred by many planters undermined the profitability of plantations.
C) Owners of northern textile factories became increasingly indebted to the planters they bought their cotton from.
D) More people became slave owners, while the average number of slaves owned by a single master decreased.
E) Manufacturing became a significant source of employment for free blacks.