The answer is religious ideas because the Mandate of Heaven is essentially that of there being a Chinese emperor ruling by divine right.
The federal government wanted to assimilate and introduce the natives to the American way of living and to integrate them into the society.
increased urbanization which led to expansion
No changes, cuz they do good, they just get picked on because one guy does one bad thing even though one guy had drugs in him, and the other was reaching for a knife and was not responsive, but whatever.
<span>One important concept was that the new country was not to be seen as a colony of any other European country in the future, and that the US would see any attempts by these countries to export their power to the new nation as a threat to their long-term interests.</span>