They are not considered polytheists, rather than pantheistics. Because aren't all their gods just different forms of one single power
The naturalization is the process in which U.S. citizenship is granted to a lawful permanent resident after the person meets the requirements established also by Congress in the Immigration
Because it is what people referenced and used when talking and going about the revolution. It described what the people wanted most, so the people used it.
Because of the weakness of non-states (ones that werent official, just groups of people who called themselves states), and European powers had strong econimies and a well organized government. Hope this was useful :P