Due to the insecurities of his French territories and the will of establishing a legal order in England, the duty of military service was replaced by a tax known as scutage so that knights could choose to remain on their land and the king could pay professional soldiers.
1160: introduction of travelling royal judges who administered the “common law” , in fact it were used everywhere. This system of law was based on custom and on previous decisions, this is the type of legislation is the one used in England even today.