How does Buck's strength and confidence evolve?

Buck’s journey throughout "The Call of the Wild" highlights a profound transformation facilitated by his innate abilities and instincts as he adapts to life in the wild. Initially, Buck is a domesticated pet, accustomed to the comforts of home, but as he faces the harsh realities of the wilderness, he gradually tap into his primal instincts.

The correct answer points to Buck’s evolution wherein he not only harnesses his physical strength but also gains the confidence needed to thrive in a competitive and brutal environment. Buck learns to rely on his instincts and capabilities rather than depending on human beings. His transition from being a pampered pet to a powerful leader showcases his ability to adapt and excel in a setting where only the fittest survive. He ultimately rises to lead his own pack, embodying the traits of leadership and resilience native to his ancestral lineage.

This development is a core theme of the novel, depicting Buck’s transformation as he embraces his true nature, asserting himself in ways that signify strength, leadership, and independence rather than submissiveness or reliance on humans.