In literature, the tone is the term that represents the feeling and sensation that the author or poet wishes to convey to the text reader through the words and scenes narrated in the presented plot.
In the poem quoted above, we can see that the author presented the tone of discovery, because he uses words to show how books allow the human being to discover places and feelings that he does not know, allowing the reader to enter a completely new world and ready to be explored and discovered.
The conflict between Nora and Helmer shows how men and women could not agree on issues or successfully work together to solve important problems. The conflict between Nora and Helmer shows how gender roles were defined, as Helmer has complete control over everything, including what the couple discusses