Answer:
the correct answer is B. having improved housing, education, and economic opportunities in American Indian communities.
Explanation:
the protest, that was known as the trail of broken treaties was a protest to get the attention from the political authorities about the difficulties, hardships and the discrimination the Indian Americans face.
this was also known as the Pan American Native Quest for Justice and it was held in 1972!
What to do with the Native Americans?
Stronger rails allowed heavier goods to be shipped from one point to another. Larger trains allowed more load to be moved thus allowing an increase in what "people could be moved" If you have any other questions feel free to ask!
to protect white settlers
HOPE THIS HELPED!!! XD