Which answer best describes a main benefit of the Transcontinental Railroad? (5 points)
a
It proved to the world that the United States was capable of great feats of engineering.
b
It created safe, high-paying jobs for immigrants who wanted to work building the railroad.
c
It created jobs, towns, and a quick path for settlers to come to California to try to make their fortune.
d
It raised the prices of goods shipped across the country, making merchants and the railroad companies rich.