Answer: After the Civil War ended in 1865, the U.S. rail network grew explosively. This expansion connected distant markets and allowed raw materials to be shipped cheaply and quickly from sources in the West and Midwest to factories in the Northeast.
Explanation:
The answer is, D<span>uring the nineteenth century, it was perceived to be undignified for a president to campaign on his own behalf.
Basically, people don't like candidates to campaign for themselves on the things that they have done. Especially in publications where they would want to post for elections which is a selfish act in view of the people especially for a running President. They usually give small speeches in a dignified way.
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I believe it to be B. I hope this helps -T<span />
It would be primarily the discipline of "humanities" that focuses on the study of intellectual and artistic accomplishments, products, and efforts, since the focus he is on "human" accomplishments and issues in general. <span />
