Now define “naturalized.”
Yes! Naturalization is pretty much the heart of the matter.
Natural born is undeniably birth by married mother and father citizen parents while in the US or its territories. At which point does removing, relocating, or altering any of those variables does the child lose its natural born status and become naturalized?
I should think it will be easier to find legal precedence for naturalization than natural born for all of the possible variables. By JV’s process of elimination method it should be possible to then show where no precedence of naturalization exists for a give combination of variables which can only be interpreted as being natural born.