Magna Carta the King in the charters. In addition, medieval cases referred to the clauses in Magna Carta which dealt with specific issues such as wardship and dower, debt collection, and keeping rivers free for navigation. Even in the 13th century, some clauses of Magna Carta rarely appeared in legal cases, either because the issues concerned were no longer relevant, or because Magna Carta had been superseded by more relevant legislation. By 1350 half the clauses of Magna Carta were no longer actively used. During the reign of King Edward III six measures, later known as the "Six Statutes", were passed between
Magna Carta arrangement, promising the freedoms and liberties of the church. The importance of this clause may also reflect the role of Archbishop Langton in the negotiations: Langton had taken a strong line on this issue during his career. Only three clauses of Magna Carta still remain on statute in England and Wales. These clauses concern 1) the freedom of the English Church, 2) the "ancient liberties" of the City of London (clause 13 in the 1215 charter, clause 9 in the 1297 statute), and 3) a right to due legal process (clauses 39 and 40 in the 1215 charter, clause 29