> it's an interpretation of the law. the law is clear, if you 1) are born in usa soil 2) are subject to its jurisdiction you get citizenship.  this has been tested at least 2 times by the courts already.  scotus only have 3 realistic options a) bend over backwards to try to find a justification that say "only children of citizens" b) redefine "subject to the jurisdiction" (but that will cause worst issues) c) reclassify illegal immigrants as "invading army" (which will cause even worst worst issues)
United States