Final answer:
In the Four Clever Brothers, the explosion event represents the climax, the peak of action and the central point of tension in the story.
Step-by-step explanation:
In the story of the Four Clever Brothers, the event that marks the explosion can be identified as the climax. The climax is the peak of the action, the main event, and the central point of tension in the narrative. It is where the story has been building up to and usually involves a showdown or major turning point that dramatically affects the outcome of the story and its characters. Prior to the climax, there is the rising action, which includes a series of events that build up tension and develop the conflict, leading to this pivotal moment. Following the climax is the falling action, where the story starts to wind down and move towards resolution.