One reason why the U.S govt forced the cherokee to give up there land was because the U.S wanted to move west towards califonia because there was gold there during the ''gold rush''.to answer the second question yes the process did kid of help because it created the suburbs for the settlers that moved west over time.
In a free enterprise system, the consumers decide over everything connected to buying the products, such as 1) which goods or services to buy at all 2) where and from whom to get those goods and services 3) how much to buy and 4) what is an acceptable prize for them.