Answer:
B
Step-by-step explanation:
A. It made laws harsher for the nobles is incorrect because if they made laws harsher for the nobles then they wouldn't be treated the same as peasants.
B. It made laws the same everywhere is correct because if they made laws the same for everyone then everyone would be treated equally.
C. It made the law different depending on which noble you served would be incorrect since you have different levels of treatment and because of that some would be treated more harshly than others.