Answer:
As the North industrialized rapidly between 1820 and 1860, railroads helped create --and prospered from -- the rise of factory production and diversified large-scale agriculture. In the South, railroads played a marginal role in the cotton and tobacco economy.
I think the main issue was not to approve <span>Emancipation Proclamation, which made all the slaves in the south were free. I'm not sure about this answer </span>
B. I remember doing this and this made me type 20 letters
Your answer would be A because the Emancipation Proclamation only freed the slaves in the south until the South decided to come back to the US.
