The south approved slavery because slaves were useful to them on their cotton farms. However, after the invention of cotton gin many saw that they didn’t need to slaves to work for them on the cotton fields anymore as it was easier to own a machine which would do the work instead. They saw the slaves as pointless and impractical after the invention.
Answer: they might feel scared, seeing something new to them often lead them to using primal instincts to protect themself in case of the unknown.
Explanation:
The King Ferdinand of Spain
