Answer:
The country experienced a civil war.
The answer is Fort Laramie. The Fort Laramie treaty in the year 1851 was a treaty between the United States commissioners and the representatives of the Sioux, Cheyenne, Crow, Arapaho, Mandan, Assiniboine, Arikara, and Hidatsa Nations. It was set for the traditional claims of the tribes.
Lord Francis Hope is the last owner of hope diamond after it was passed to him by Henry Thomas Hope
Farming was difficult due to limited amount of good soil and cropland. Hope this helps.:)