What impact did the expansion of railroads in the west have on the american indians who lived there?

a. they were displaced from their tribal lands.

b. they moved into towns and lived among the new settlers.

c. they stopped farming and took jobs in factories.

dthey were forced to move to mexico.

The impact the expansion of railroads in the West  had on the American Indians who lived there was that they were displaced from their tribal lands.  (Option A). Admittedly, the railroad expansion brought many benefits, however, one of the negative consequences was the forced relocation of Native Americans from their lands giving way to widespread destruction of Native American cultures and ways of life.

he believed that strong monarchies would lead to social and political stability.

porter is writing economic history because he is focusing on the cost of developing vaccines.