Answer:
Impunity is an exception to a punishment or sanction. Saves you from living it may be by law.
You feel power, proud, with a lot of ego and without guilt why can't they punish you.
And if you are someone that want to give the punishment but you can't, you feel failure and helplessness.
The theme is the main subject that you are going to write about in a essay or in a report. If you want to know more, just ask :)
<span>B. It is a carol of joy or glee</span>