As is so often the case, the greatest journalist of our time, Steve Sailer (you can contribute to him here [link]) has dug into the background of all this, and found a delightful piece by Alexander Hamilton, partially quoted in the quibcag, making all the same points that we on the alt-right have been making for what seems like forever: Immigrants should not be able to vote immediately upon becoming citizens. There should be a waiting period of years, and maybe they never should be allowed to vote. Immigration should be restricted to our cultural and genetic brothers and cousins. Europeans only, with advantages given to the nations whose people already form a large part of our population — Brits, primarily. There should be less immigration rather than more, so we won't be overwhelmed. He quotes Jefferson to the effect that immigrants tend to bring all their culture and folkways with them, including a preference for the form of government they left behind them. And he points out, again partially quoted in the quibcag, that history shows that haphazardly granting citizenship to every rag tag and bobtail tends to destroy one's civilization.
And this is all written in reaction to President Jefferson's policy to call for more and more immigration. Hamilton refutes the desirability of this by using Jefferson's own writings against him. Damn clever. Now, it is written in the rather turgid (to us) 18th Century prose style, but it's worth struggling through. It starts: