Answer:
A. It showed that a monarchs pawers were limited, that even he or she had to respect civil rights and laws.
Step-by-step explanation:
Before the Magna Carta was created, the Kings of England can do any violation that they want since they cannot be punished by laws.
After the Magna Carta was created, the Kings and other nobles that rule the country are subjected to the same laws as the citizens. This make the monarch power become extremely limited and they cannot violate human's right like they used to do.