b) 'The U.S. Supreme Court also dealt with the right to travel in the case of Saenz v. Roe, 526 U.S. 489 (1999). In that case, Justice John Paul Stevens, writing for the majority, held that the United States Constitution protected three separate aspects of the right to travel among the states:
(1) the right to enter one state and leave another (an inherent right with historical support from the Articles of Confederation),
(2) the right to be treated as a welcome visitor rather than a hostile stranger (protected by the "Privileges and Immunities" clause in Article IV, § 2)
(3) (for those who become permanent residents of a state) the right to be treated equally to native-born citizens