Answer:
when buck loses his dinner to another dog, he is not offered any more food
Explanation:
In writing, naturalism refers to a genre that is focused on how harsh environment shape human character through heavy struggles.
Writers who use this type of genre would often depict a situation when the characters experience some sort of hardship that deliver a strong emotional blow them, which make them felt helpless and attract reader's sympathy. This can be seen in the scene when Buck loses his dinner to another dog, he is not offered any more food
