What does the relationship between Buck and the other sled dogs illustrate?

The relationship between Buck and the other sled dogs in "The Call of the Wild" highlights the social structure of survival and the necessity of cooperation among the pack. Throughout the novel, Buck transitions from being a pampered pet to a member of a harsh and competitive sled dog team. This adjustment reflects the realization that success in the brutal environment of the Yukon depends significantly on working together and relying on the strengths of one another.

In the harsh conditions they face, cooperation becomes crucial for overcoming obstacles, pulling heavy loads, and ensuring the survival of the group. Buck learns to navigate his place within the pack, understanding that he needs to collaborate with other dogs to thrive. This dynamic illustrates that individual strength alone is insufficient in the wilderness; it is the collective effort and mutual support that truly enable them to endure and succeed against the challenges they confront. Thus, the relationship emphasizes that survival hinges on a well-functioning social structure where cooperation is vital.