S. gin
2. Which of the following provides the best
explanation for the dramatic increase in railroads
in the United States from 1860 to 1900?
A. Dramatic population increase due to immigration
created the need for more railroads.
B. New developments in the steel industry created
efficient steel production, benefitting both the
steel and railroad industries.
C. The Louisiana Purchase opened up the western
plains to American business, creating the need for
railroads in the area.
D. Labor unions helped create more jobs for
workers, allowing the railroad companies to
increase production.