Answer:
He was sad and scared try and search it up theres more info
In this memorable passage, Langston Hughes is invoking the human element (human blood in human veins) to showcase the depth and richness of the African American experience in the United States.
Despite you didn't give me the answer choices (a-d) I will take a wild guess and say its I, II and III.
A classic novel can be about any subject.
It doesn't have to be with a villain [Classic love stories]
You dont need a handsome protagonist.
So your answer is:
A doctrine is essential to writing a classic novel.