Here's why this moment is considered the climax:
* Suspense and Tension: The entire story builds towards the moment when Nancy uncovers the truth. We've seen her gather clues, follow leads, and consider various suspects. The tension is high as we wait to see if she can crack the case.
* Revelation of the Truth: The climax hinges on Nancy's revelation that Joe Hardy, not a sinister outsider, is responsible for the stolen sneakers. This discovery comes as a surprise, especially to Joe, who initially denies his involvement.
* Resolution of the Conflict: Nancy's revelation ends the conflict. The stolen sneakers are recovered, and the truth is out. This signifies a resolution to the main problem presented in the story.
Although the story may have additional elements like Joe's initial denial or the aftermath of his confession, this moment of Nancy's unveiling the truth is the peak of the narrative and signifies the story's resolution.