A victory in King v. Smith (1968) overturned the “substitute father” rule and guaranteed basic rights of personal and sexual privacy. In Shapiro v. Thompson (1969), the Supreme Court agreed that residency rules were unconstitutional restrictions of a person’s right to mobility. Goldberg v. Kelly (1970) enshrined the principle that public assistance recipients have a right to due process, and that benefits cannot be terminated without a fair hearing.

