How does the final stanza contribute to the development of the poem's theme?

The final stanza contribute because everyone has a friend that we enjoy being around, and that we would be sad if they left us. "We have been sad together - oh what shall part us now?" (lines 23-24) This means that when we had been through thick and thin, you're there for them, you stick with them no matter what.

wheres the following authors?

the correct answer is "dissent"

explanation:

because dissent is when one or more judges express disagreement with the majority in court, in specific legal systems.   an   argument in opposition is presented to the court, with a different interpretation, or application.