Answer: The westward expansion resulted in Native Americans move to another place that they did not like.
Explanation: Native Americans was eventually forced to live on designated reservations. The expansion also had a affect on the bison (Buffalo). They would kill them so they would move out of the way of the trains
Mexican immigrants wanted to escape poverty, war, turmoil, and even persecution for certain groups
So that it isn’t biased and people make sure the law is actually worthy and not something insignificant