What part of the plot is characterized by the setting of civilized life and comfort?

The exposition of a story serves as the introduction, setting the stage for the events that will unfold. It typically includes the backdrop of the narrative, including the setting, characters, and the initial situation. In "The Call of the Wild," the exposition introduces Buck, a domesticated dog living a comfortable life in California, reflecting the themes of civilization and comfort. This part of the plot contrasts with Buck's later experiences in the wilderness, emphasizing the stark difference between his previous life and the challenges he faces in the wild. Through the exposition, readers gain an understanding of Buck's initial environment, which is crucial for appreciating his character development and the transformation that occurs throughout the story.