I think the answer is A, to serve in religious and political rituals.
The person who answered this did really good on explaining this bc I need it too
A. If the living do not examine pas mistakes, in particular with war and hatred, then the ones who died because of these things will have died for no reason.
Light is the way you see a piece of art. You could see it in a negative or positive light similar to English "Connotations" It's important to see a picture from different light angles because you could see something in one that you didn't in another.
Hope this helps!