What were The Members of England's nobility angered by the policies of?

Members of England's nobility were angered by the policies of King John, particularly due to his heavy taxation and arbitrary justice. His attempts to consolidate power and disregard traditional baronial rights, including the lack of consultation with the nobility, led to widespread discontent. This frustration culminated in the barons' rebellion and ultimately the signing of the Magna Carta in 1215, which aimed to limit the king's authority and protect noble privileges.