Respuesta :
Answer:
A. slavery was no longer profitable
Explanation:
During the industrial revolution, American businesses started to used modern machines to replace the existing manual labor. Â This made using slaves no longer as profitable as it used to.
As a result, people started to give support to abolish slavery. But this support tend to be coming from the northern states. At that time , the southern states were not as willing to adopt the technology from the industrial revolution. Â This made the southern states still reliant on slaves. This what caused the conflict that lead to the civil war.
Answer:
C. There was no longer support for slavery
Explanation:
Hope this helps