Changes

The states "surrendered many of their powers to the new Federal Government," but  retained "'a residuary and inviolable sovereignty.'"  ''Printz v. United States'', 521 U.S. 898, 918-19 (quoting [[The Federalist]] No. 39, at 245 ([[James Madison]])).  This dual sovereignty is "reflected throughout the Constitution's text."  ''Id.'' at 919.  The continued existence of state sovereignty is "implicit . . . in the Constitution's conferral upon Congress of not all governmental powers, but only discrete, enumerated ones."  ''Id.''

The states "surrendered many of their powers to the new Federal Government," but  retained "'a residuary and inviolable sovereignty.'"  ''Printz v. United States'', 521 U.S. 898, 918-19 (quoting [[The Federalist]] No. 39, at 245 ([[James Madison]])).  This dual sovereignty is "reflected throughout the Constitution's text."  ''Id.'' at 919.  The continued existence of state sovereignty is "implicit . . . in the Constitution's conferral upon Congress of not all governmental powers, but only discrete, enumerated ones."  ''Id.''