What is the relationship between settlement in the western regions of North America and railroads?
A
The growth of railroads led to more people
traveling to and settling in the western
regions
B
People settled in the western regions because
they wanted to have access to railroads.
C
The growth of railroads led to fewer people
having the opportunity to settle in the western
regions
D
People settled in the western regions to get
away from the noise and dirt of railroads.