In the early 1800s, many people in the United States migrated westwards because
A)
of the growing timber industry.
B)
of the availability of farmland.
C)
transportation was easy thanks to the Transcontinental Railroad.
D)
they wanted to escape slavery, which was illegal in western territories.
A)
of the growing timber industry.
B)
of the availability of farmland.
C)
transportation was easy thanks to the Transcontinental Railroad.
D)
they wanted to escape slavery, which was illegal in western territories.