During his confirmation hearing, chief justice john roberts stated that roe v. wade (1973) "is the settled law of the land." this statement suggests that in a case that challenges the constitutionality of legislation restricting privacy and reproductive rights, which of the following should be a key factor in the court’s ruling?
a. briefs submitted by interested parties
b. contemporary societal norms
c. the consensus of the other justices
d. reliance on legal precedent