Differences between the North and the South were readily apparent well before the American Revolution. Economic, social and political structures differed significantly between the two regions, and these disparities only widened in the 1800s. In 1861, the Civil War erupted between the two sides, and much of the conflict surrounded sectional differences. Once the war ended, Reconstruction lessened some sectional disparities but increased others.
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.
wher hard but we can do it
