According to Article I of the U.S. constitution, The Legislative Branch has power to "To establish an uniform rule of Naturalization."
The unfair treatment they got as far as laws and court. as well as the ridiculous taxing
American colonial settlement could expand westward
The US became the source of almost all new major inventions and technology after WWII. The US culture allowed the US to parlay this into a huge economic advantage. The US expended more on military than other nations. This allowed the US become the dominant military power in the world.
