It’s called plagiarism sir
First, they're both nouns. Secondly, they are both described as settings, places or destinations that the speaker wants to be in or go to.
The subordinating subject is although
The correct answer here is the third option.
Theme
would be the term that would best describe Twain's exploration of
social class structure, as it is exactly through the theme of The
Adventures of Huckleberry Finn that he explores. One of the major themes
of the works is the social-class in the work and it is explored through
many characters, such as Jim who is a runaway slave, Grangerfords who
are the elite, various common folk and so on.