They positively effected them by creating separation of united forces and widdle out the weaker competitions
The growth of the railroads had a major effect on supply and demand for natural resources in the US, since it made it much easier and cheaper to transport these resources from place to place, which increased their demand and thus their supply.
Answer:
C
Explanation:
First I would like to know what D is, but based on the options, I would say C.
C is the answer choice because:
A is completely wrong, after the Civil War African Americans were freed from slavery.
B is wrong, but not as much as A. They were allowed to learn to read, but since former slaves didn't know how to read, the're children didn't. And that's were schools came in.
C is right, African Americans had fewer opportunities then whites. There were segregated, and of that divide between races, the whites fared better the blacks.
If I had information for D I would give an answer for that one as well.