508 U.S. 307 (1993) Cited 2,228 times 7 Legal Analyses
Holding that a law survives rational basis review so long as there is "any reasonably conceivable state of facts that could provide a rational basis for the classification"
442 U.S. 256 (1979) Cited 2,063 times 1 Legal Analyses
Holding that the Equal Protection Clause is implicated only when "a state legislatur[e] selected or reaffirmed a particular course of action at least in part `because of,' not merely `in spite of,' its adverse effects upon an identifiable group"
Holding that a state's alien residency requirements for welfare benefits conflicts with federal immigration law because it discourages entry into or continued residency in the state by aliens lawfully within this country, the practical result of which is that aliens lawfully admitted under federal law are denied the privileges conferred by such admission