I think It's the rise of American labor unions
I believe the answer is A.
Answer:
Plantation owners and southern industrialists wants slavery whereas Quakers and freed slaves wants to fight slavery.
Explanation:
Plantation owners and southern industrialists are the people who take advantage from the slave without giving money that support slavery in the mid-1700s while on the other hand, Quakers and freed slaves were some groups that present in northern states began to fight again slavery in the mid-1700s. The northern states wants to end slavery because the work force present in the northern states sees the slavery a threat for their job. They thought if the slavery continues the northern industries also used slaves in their place.
Explanation:
B & C. Plato communicated his work through conversations and letters.
Salem Massachusetts. (Salem Witch Trials)
