Final answer:
The climax of 'Miracle on 49th Street' is a heartwarming moment where good people adopt Oliver, providing a satisfying resolution.
Step-by-step explanation:
The climax of the book Miracle on 49th Street occurs when the protagonist experiences a pivotal change in her life. Throughout the novel, there are many turning points, which build up the story towards the high point. This final climax is a heartwarming moment as good people adopt Oliver, providing a resolution to the struggles faced by the characters and leaving the reader with a sense of closure and happiness.