...of strict social stratification...
Answer:
She wants her son to be have for whren they go to church so she uses a candy to show him if she does behave he will get one.
Explanation:
Find out all of the combos of sums (2,3,5,9,3,4,6,10,4,5,7,11,5,6,8,12)
Then find out how many of these are divisible by 3 (6)
Count how many possibilities there are (24)
6/24=25%
This is pretty dark lol, but I would say "gunshot wound" I have never learned this but it is my best guess.
