Answer:
B. "The improvements in productivity in early agricultural societies enabled more complex societies to develop" is the best option.
Explanation:
This improvement in productivity mostly came from the division of labor, which allowed people to do things other than farm.
The asnwer is C. They didn't have right to work laws in the south at the time. Businesses didnt pay everyone fairly if at all.
He slapped his name on things that werent his :)