Historically, it was open borders - as long as you had the correct skin color.
Ellis Island didn’t send anyone away - unless they had like TB or something.
In the 50’s - many Mexican Americans who were legally citizens were deported in “Operation Wetback.” Based on skin color/appearance - which matches with the reports of what ICE is doing now harassing Native Americans.
It’s never been about following rules, it’s always been about being the right kind of person