I believe it would be answer B: character vs. nature conflict
Because, biscuit biscuit biscuit nom nom
One of the primary consequences of the railroad in the United States was the creation of a system by which goods could easily be moved east to west, opening new sections up that were previously only accessible by horse or on foot.
in my opinion the answer should be
D- enthusiasm.
Saw it as a place to get resources for their own industrial ambitions, compete for new markets for their goods and get many raw materials.