Everything from California to Alaska and between the Rocky Mountains and the Pacific Ocean was a British-held territory called Oregon. The trail pointed the way for the United States to expand westward to achieve what politicians of the day called its “Manifest Destiny” to reach “from sea to shining sea.”
Many former slaves still were unedumercated and needed to find jobs this lead to a legal form of work known as share cropping (tending to crops for a portion of the crop or a low wage pay)
I am not sure but I think the answer is false
Geography and climate determined what kind of crops would be grown, leading to differing structures for economies and settlements.
:)