How did the magna carta affect the development of a national identity in england? it created the great council, a group of barons who could veto the king's commands. it divided the english government into the house of lords and the house of commons. it gave a group of five lords representing the people more power than the king. it resulted in the establishment of the legislative body known as the english parliament.

I believe the answer is: it resulted in the establishment of the legislative body known as the english parliament.

Prior to magna charta, every laws in England was made by the kings, which make them untouchables even if they committ wrong doing. After the establishment of legislative body, all people in England are subjected to the same laws, even the Kings. This develop a similar national identity which is ruled by laws as the highest supremacy in England.