Answer:
D. Railroads spurred the development of the industry that attracted immigrants
Pride in one's nation is a factor that played part in starting ww1
B the answer is b the south was primarily an agricultural region that relied on the north's textile mills but also on the trade connections with the British.
Consumers have a powerful voice in determining what
is or is not produced when they express their wants and needs in the
form of "the purchases<span> that they make in the marketplace</span>". These purchase are the "demand" that determines the "supply"
A. sounds the most reasonable.