Answer :
Final answer:
The author describes Buck's progress as retrogression because he is returning to his ancient instinctual roots.
Explanation:
In The Call of the Wild, the author describes Buck's progress as "retrogression" because Buck is returning to his ancient instinctual roots. As the story progresses, Buck's domestication gradually fades away, and he taps into his primal instincts as a wild animal. This is represented by his growing strength, adaptability, and cunningness, which were essential traits for survival in the harsh wilderness.
Learn more about Buck's progress in The Call of the Wild here:
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