The Automobile Was to the 1920s What the Railroad Had

The automobile was to the 1920s what the railroad had been to the nineteenth century, in that

A) it was both a powerful catalyst to economic growth and a symbol for the age.
B) the government regulated it strictly.
C) Americans made heroes out of automakers like Ford and Sloan, as they had the railroad builders.
D) automobile production relied on earlier forms of corporate strategies.