His reign was marked by disputes between John and his barons and bishops. Because of this the nobles forced him to observe the agreement called Magna Carta, to limit his power. The Magna Carta was a significant legal document in English history, as well as the first English “bill of rights”. It introduced the idea that monarchs had limited rights and had to follow certain laws, and it gave the nobles more say in the government. It not only affected English government, but inspired governments of other countries.