What is the best definition for the word apathy as it is used in this sentence? ?

One way that the novel differs from earlier literary works is that novelists often leave out many details associated with the setting novels only portray positive aspects of heroes and other important figures characters' personalities in novels are only revealed through dialogue readers are often able to relate better to the characters in novels

What language device is used in the highlighted text?

How can i but "as william walking with his wife was seen"as a short sentnse