Which part of the plot typically involves a protagonist facing challenges?

The rising action is the part of the plot where the protagonist encounters a series of challenges and conflicts that create suspense and develop the story. In "The Call of the Wild," this stage is crucial as Buck, the main character, faces various tests of strength, survival, and adaptability in the harsh wilderness. During the rising action, the narrative builds tension and leads towards the climax, where the stakes are at their highest. This progression highlights the protagonist's growth and sets the stage for the resolution of the narrative. The rising action is essential for engaging the reader and deepening their connection to the protagonist's journey.