The answer is C. Main, Militarism, Alliances, Imperialism, and Nationalism.
There are two reasons one was to follow after Pancho Villa and 2nd was to start a revolt (someone already asked this question XD)
This expression is by far mostly likely ascociated with President Lincoln during the Civil War. He famously did not want to punish the southern states in order to headl quickly.
Answer:
Railroads provided fresh supplies of arms, men, equipment, horses, and medical supplies on a direct route to where armies were camped. The railroad was also put to use for medical evacuations, transporting wounded soldiers to better medical care.
Explanation:
I think it’s a not sure tho