I think its mathematics,i could be wrong but i would mathematics
Answer:
In the late 1830s and early 1840s, many more Americans started to move to Oregon. This was the era of the famous Oregon Trail. These settlers were motivated by a desire for land, not by a desire for furs. They were not going to Oregon to trade but rather to set up their own new homes.
Explanation:
I cant remember if it is A or C I believe the answer is C
I’m not so sure about the north but i know that the south was very angry because they claimed it was an inaccurate depiction of slaveholders. I hope this helps!