Immigration was seen as a great threat to American society because it meant that America didn't have a solid identity. This means that America was less of a unified country and more of a standing ground.
People have moved from country to country for as long as countries have existed.
There is no evidence that such a person ever existed. There is no evidence that he was significant in any country in America. Perhaps you should research the identity.
Reform
The answer is "Limits on immigration established by the Quota Acts.
The reason is that long ago their ancestors had stories about dragons that were passed down through the generations.
Aztec
they provide the cheap labor that is the very back bone of every country and every empire that has ever existed
Aztec
the Europeans arrived
American fever never really existed, it's just the title of a book about romance
The one never existed.
No. Slavery also existed in the Northern colonies before and after the American Revolution. It became less common by 1790 in the north.