That is a good question.The answer to that is limitless as well. We had one main goal though when we started our nation. That was to create a nation that was not like England. Recently there was the election for our president. We have our elections so that we the people have a vote in what is going on with our nation where as when there was a king we had no choice.
It segregated them from restrooms, restaurants, fountains, and public transportation. It also affected the way they can vote.
There were more jobs
In the farms, there were only jobs to suffice farmers, but the industrial revolution created more factories, which gave people more chances to make money.
B. new railroads and refrigerated cars
The answer to this question is going to be the second option, The British set aside land west of the Appalachian Mountains for American Indians, but the colonists refused to leave