Answer:
Due to The Immigration Act of 1924
Explanation:
It also increased the tax paid by new immigrants arrival and allowed immigration officials to exercise more discretion in making decisions over whom to exclude.
One of the advantages was that the old mom & pop stores were no longer practical, because the corporations were more convenient. You didn't have to ride around to go to seven stores anymore, you would just go to the big-block store and get everything you needed there. Furthermore, corporations provided a large amount of unskilled jobs - previously, the largest part of the "American dream" was to go and start your own business, farm, etc., but now you could go get a job at a factory or supermarket, so the job market was diversified. Those are just two, but I'm sure you can think of more!
827,000 Sq Miles know as the Louisiana Purchase in 1803.
Hope this helps!
