I was told this by somebody after I told them I was naturalized:
"Had you contrived to be naturalized in Puerto Rico instead of anywhere
else, your estate would be exempt from Federal estate tax on its PR
assets . . . too late now to leave a fortune tax-free to your heirs."
"Had you contrived to be naturalized in Puerto Rico instead of anywhere
else, your estate would be exempt from Federal estate tax on its PR
assets . . . too late now to leave a fortune tax-free to your heirs."