Why Might Wealthy Cotton Planters Have Viewed Successful Commercial and Industrial

Why might wealthy cotton planters have viewed successful commercial and industrial enterprises in southern towns with suspicion?

A) The growth of commerce and industry threatened the slave system in southern cities, as well as planters' social and political leadership in the South.
B) Since manufacturing required free labor, it threatened to make slave labor less valuable.
C) Poor whites might find it too easy to buy or rent land and would no longer want to sharecrop for planters.
D) Goods produced by slave artisans on plantations would be driven off the market by cheap manufactures.