The 14th Amendment is the WHOLE POINT, and is the ROOT of WHERE the change in LAW began !
14th Amend
Section 5. The Congress shall have power to enforce, by appropriate legislation, the provisions of this article.
Section 1. All persons born or naturalized in the United States and subject to the jurisdiction thereof, are citizens of the United States and of the State wherein they reside.
Was Cruz born or naturalized in the United States?