Answer:
B ) Hunger is the greatest struggle mankind will ever face is the correct answer.
Step-by-step explanation:
The Glass of Milk is a short story intended for kids; it tells the story of a boy who has to struggle with finances to pay his expenses at school. In this story, the kid receives a glass of milk that encourages to continue. However, it is very important to remark that the glass represents how mankind fights with hunger as the greatest struggle to be faced.