One Example of the Courts Setting Policy Is from a 1966

One example of the courts setting policy is from a 1966 case involving the state of Arizona, where the Supreme Court developed a set of principles requiring that persons under arrest be informed of their legal rights, including their right to legal counsel and their right to remain silent. This legal doctrine has come to be known as the

A) Schiff mandate.
B) Miranda rule.
C) due process clause.
D) O'Brien rule.