Probably C, because they are attacking the gnomes for something they have done to the Great Goblin. This could be classified as them having a grudge towards them.
The correct answer is C) Holding grudges can lead to ones downfall. <em>Its important to remember that the word grudge means a persistent feeling of ill will or resentment resulting from a past insult or injury</em>. In the case of the story, the Goblins follow the group of dwarves seeking revenge, due to holding a grudge. The grudge they were holding was because of the murder of the Great Goblin.
When a justice is less concerned with OUTCOMES and more concerned with how or the PROCESS by which officers perform their jobs just like Ben, it is termed procedural justice.
They are the procedures that led to an outcome fair.