Answer:
A) Export Bicycles (sorry if it's late)
Explanation:
It about 25% of southern white families owned slave in the year 1840. So the answer in this question is D. 25% The southern white families become slave or owned slaves by the rich and powerful people in the southern in the year 1840. The cruel world in that year in the southern, and they think it become hell because of the slavery they felt.
So we dont let the same mistakes from happening again and learn from our past mistakesand learn how life was back then and how history made the worldwe r living in now. Duhhhhh and duh