Question

which statement provides the best evidence to support the conclusion that the growth of the railroad industry revolutionized \big business\ in america in the late 1800s?
a the completion of the transcontinental railroad in 1889 linked the eastern and western halves of the nation.
b the growth of the railroad industry and \big business\ led to increased immigration from central and southern europe.
c during the late 1800s, the growth of \big business\ and the expansion of the railroad industry occurred completely independently of one another.
d the railroad helped to decrease transportation costs, increased the availability of new products and goods, and generally widened the american business market.

Explanation:

• Option A only mentions linking the nation, not directly about revolutionizing Big Business.
• Option B talks about immigration, not the core of Big Business revolution.
• Option C is incorrect as they were not independent.
• Option D clearly shows how railroads affected business aspects (costs, product availability, market widening) which are key to revolutionizing Big Business.

Answer:

D. The railroad helped to decrease transportation costs, increased the availability of new products and goods, and generally widened the American business market.