What is the climax of short story The Enemy?

The climax of the short story "The Enemy" by Pearl S. Buck occurs when Dr. Sadao Hoki realizes that he cannot go through with his plan to kill the American prisoner of war, Tom. At the beginning of the story, Dr. Hoki is torn between his duty to his country and his moral obligations as a doctor. He initially decides to carry out the execution as ordered, but as he prepares to inject Tom with a fatal dose of poison, he hesitates. He is moved by Tom's humanity and his own sense of compassion.

At the climax of the story, Dr. Hoki makes the difficult decision to spare Tom's life. Despite the potential consequences for himself and his family, he chooses to prioritize his moral principles over his obligations to his country. This moment of crisis and decision marks the turning point in the story, as it sets in motion the subsequent events and ultimately leads to Dr. Hoki's redemption and liberation from his inner conflict.