What right did the english nobles gain when king john signed the magna carta?

The Great Council could approve taxes proposed by the monarch.

Explanation:

In 1216 ce, "The Magna Carta / The Charter of Rights" was signed by the King of England, John under the pressure from his own barons.

King John raised taxes in England to help the military in their fight against the French King. This increment in taxes angered the barons who asked for the King to declare a charter of rights. This charter, most commonly known as the Magna Carta, lists a number of laws for everyone, even the monarch. Among them was the right of the Great Council to approve any taxes proposed by the King. This charter gave certain rights to the nobles and also set limitations to the power of the king. And for any laws, the king had to consult with the Great Council before making decisions about raising taxes.

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