Answer:
According to an understanding reached between the United States and the Soviet Union in the last days of the war, Soviet troops would occupy the parts of Korea north of the 38th parallel and US troops would occupy those south of this dividing line. ... With this, the Korean question was referred to the United Nations.
Explanation:
•Industry vs. Farming. ...
•States' Rights. The idea of states' rights was not new to the Civil War. ...
•Expansion. As the United States continued to expand westward, each new state added to the country shifted the power between the North and the South. ...
•Slavery. ...
"Its<span> location limited its contact with other advanced cultures" would be the best option from the list, since a system of boundaries made it inadvantageous for people to both come and go from the territory. </span>