The passage provides information to answer all of the following questions EXCEPT: A. During what period did the railroad reach the zenith of its popularity in the United States? B. How extensive was the impact of the railroad on the Industrial Revolution in the United States, relative to that of other modern innovations? C. Who are some of the writers of the 1830s who expressed ambivalence toward the railroad? D. In what way could Stilgoe have strengthened his argument regarding intellectuals' attitudes toward the railroad in the years after the 1880s? E. What arguments did the writers after the 1880s, as cited by Stilgoe, offer to justify their support for the railroad?