The railroad increased trade by making shipping cheaper.
Answer:
C.
The Supreme Court actively regulated trusts and monopolies.
Explanation:
3) Popular Sovereignty
4) Harriet Beecher Stowe (I don't know if this is the author you are looking for)
5) Uncle Tom's Cabin; or, Life Among the Lowly ( I don't know if this is the book you're looking for)
6) Free-Soil Party (Free Land)
7) Henry Clay
I hope I helped ^.^
The answer is A it has access to the Atlantic Ocean
