What literary technique is being used when the intended meaning of a statement is the opposite of what is stated? but his hours are as busy asbees in the sun

How does the author use the character of torvald helmer to explore a social use? -by revealing the changes that can happen to a person who has gotten wealthy quickly - by revealing attitudes related to spending and saving that men held during the victorian era -by revealing the bad financial advice that was given to many people in the victorian era -by revealing the hardships that fell on many people who lived during the victorian era

Whats the importance of gaining a general understanding of and interpretation of the work of literature. explain what the importance is to me

Aprimary source: a- may be biased b- is never biased c- cannot possibly have bias d- none of the above