I think that the answer is D, to create railroad networks that spanned the entire country
I could be wrong but I think B, Although I would take someone other than my answer. Sorry i didn't know for sure.
the Supreme Court ruled that the separation of races .... racial discrimination reinforced by the federal government's actions and policies
To force a bill out of committee, a "discharge" petition must be signed by a majority of the representatives, since the bill has not become law yet.