Duke College College Of Law In medieval England through the Norman conquest, the law diversified shire-to-shire primarily based on disparate tribal customs. The idea of a “frequent law” developed through the reign of Henry II in the course of the late 12th century, when Henry appointed judges that had authority to create an institutionalised and unified system of law widespread to the nation. The subsequent major step in the evolution of the frequent law came when King John was pressured by his barons to signal a document limiting his authority to cross legal guidelines. This “great constitution” or Magna Carta…