America, both then and today, is a collection of republics wedded together for the "general welfare" of the Union, not a "nation" of people.
In other words, we should not conflate "naturalization" with "immigration." That was the ingenious creation of nationalist SCOTUS judges in 1876, almost all of whom were appointed by Lincoln or Grant. Diversity.
-Brion McClanahan
Read on:
https://www.lewrockwell.com/2017/02/brion-mcclanahan/feds-control-naturalization/