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.
I believe the correct answer is D
Farmers use biotech because it helped them increase yield and lower production costs.
Answer: he was able to unite the persian ones woth the greek ones
