All of the following were advantages the north enjoyed over the south except
a. a larger population.
c. more military colleges.
b. more industry.
d. more miles of railroad tracks.

C. more military colleges.

The North had two thirds of the railroads in the US, it had more cities and therefore a larger populations and it had more industry as the South was a largely agrarian society. Therefore, C is the correct answer because of the process of elimination.

The transcontinental railroad provided a means of fast transportation. it cut a 6 month trip into 6 days, created jobs for many people and encouraged immigration. the homestead act played a huge role in western expansion; it allowed settlers to begin a fresh start, and gave them land in exchange for their residence for up to five years and a small fee.