Final answer:
The story 'The Man Who was Not a Spy' establishes its tone through descriptive details and vivid descriptions of characters and their actions.
Step-by-step explanation:
The story 'The Man Who was Not a Spy' has several descriptive details that establish the tone. The tone of the story is established through the author's word choices, vivid descriptions of characters and their actions, and the overall atmosphere created in the narrative. For example, the narrator describes Mr. Bixby's 'bland' smile and contrasts it with the uproarious laughter of the other characters, which creates a sense of tension. Additionally, the narrator's use of vivid details and descriptions helps the reader connect to the text by allowing them to visualize the events and emotions being described.