The correct answer to this open question is the following.
Although the question does not provide options or statements to answer it, we can say that Northwest Coast Indians were able to live in permanent villages because of the following factors. These North American Indian tribes from the Pacific could settle in a land where the weather conditions allowed them to grow some crops, the climate was not as extreme as in the East, and had the enormous advantage to live next to the Pacific harbor, so the could benefit from the sea. They were good fishermen and always had food for their families in the form of salmon, shellfish, clams, fruits, and some vegetables.
I say a because there were 16 African Americans in congress in total, so not D. And not b or c because the first 3 African Americans in congress were from the south, that's why i say 12
