A$.$ Lower courts must follow the precedent established by higher courts.

B$.$ Past court decisions become precedent for deciding future cases.

The courts of one jurisdiction are bound by the precedents established by the courts of another jurisdiction.

D$.$ The courts of one jurisdiction are not bound by the precedents established by the courts of another jurisdiction.

E$.$ All federal and state courts in the United States must follow the precedents established by U$.$S$.$ Supreme Court decisions.