+<indexterm><primary>Thomas, Clarence</primary></indexterm>
+<indexterm><primary>United States v. Lopez</primary></indexterm>
+<indexterm><primary>United States v. Morrison</primary></indexterm>
+<indexterm><primary>Scalia, Antonin</primary></indexterm>
+<indexterm><primary>Congress, U.S.</primary><secondary>Supreme Court restraint on</secondary></indexterm>
+<indexterm><primary>Supreme Court, U.S.</primary><secondary>congressional actions restrained by</secondary></indexterm>
+<indexterm id='idxsupremecourtusfactionsof' class='startofrange'><primary>Supreme Court, U.S.</primary><secondary>factions of</secondary></indexterm>