Answer:
Anecdote
Explanation:
The detail was short and interesting, and also amusing at the same time. However, its main aim was to convey the information that Utopians are not so concerned with riches. This clearly depicts an example of an anecdote as though it contained elements of laughter or brooding over the topic, we were actually sure at the end that it was all coined up to support the central idea that riches are not an important aspect of Utopians life.