Due to the railroads, american settlers were able to travel west in larger numbers. how did this migration impact american indians

I believe the answer is: American Indians' way of life changed because buffalo herds were destroyed for commercial markets.

The migration make a lot of people able to settle to the territory that previously been occupied by Americna Indians. This force some of them to leave the territory or change their way of life to conform and adapt to the new way of life created by the settlers.

i hope this

explanation:

max weber's 3 types of authority. the sociologist and philosopher  max weber  distinguishes  three types of authority—charismatic,  traditional  and legal-rational—each of which corresponds to a brand of  leadership that is operative in contemporary society.

the use of email to replace slower surface mail.