curprev23:3623:36, 5 November 2023 Muddiebuddietalkcontribs 8,067 bytes+455 Added citation to Louisiana State University's Public Health Law Map which explains the federalism issue, and expanded the sentence's discussion of the Supreme Court's power to review state law matters. However since the LSU page does not make any reference to other countries, the claim about the US being the only country still needs an additional citationundoTag: Visual edit