What is the purpose of telling this final story about the dead from Vietnam and Linda?

lemme actually be useful and say i believe the answer is the first one.

the meaning of the word broods in verb form is a family of animals used in section 2

the answer is  loss : )                                                                                                 

this story explains the proverb “small acts of kindness will be rewarded greatly” and how anyone regardless of their size and appearance, can make a major impact in certain situations. this tale can teach your child to appreciate others and create a tendency in their minds.