Small subsistence farmers (non slaveholding)
I believe B is the answer..
Answer:
<u>Plutocracy</u>
PS: I'm not actually in High School, I'm actually in Middle School in 8th grade.
The territory contained land that forms Arkansas, Missouri, Iowa, Oklahoma, Kansas, and Nebraska; the portion of Minnesota west of the Mississippi River; a large portion of North Dakota; a large portion of South Dakota; the northeastern section of New Mexico; the northern portion of Texas; the area of Montana, Wyoming