Problems that may result from taking revenge would be potentially creating more problems between people. It is better to be the bigger person, accept and leave a situation as it is.
I'm 73% sure it's B. Sorry if I am wrong.
What kind of essay do you want to see and why would you need that? I think I can try my best to help.... but if you want some good samples you should probably search it up online
It is
D: Bavarian
I hope it helped!