There was a boom in fur trading in that time, more Posts were created, artists came and showed a vast wilderness, the Native American people received smallpox and three main tribes almost died off, and they were also placed into reservations. The military also made their presence known.
The answer C the works progress administration. I think
George Washington said this quote
<span>
Land was at a great price so if you wanted your own land this was
usually the best way to get it. Adventure drew many, starting anew also
was a big factor. You could start a business and have little
competition. And also settled land was getting a bit overpopulated (not
to mention expensive) so moving enabled you to have some elbow room. And
Gold drew tons of people both within the country and globally. But that
was really just a flash in the pan. </span>
