In the poem there are themes like unity, healing and so on.
Explanation:
The message in the poem is hopeful one, asserting that a new “dawn”(stated in the poem) is now breaking in which Americans have the opportunity to create a more just and inclusive society.
Twain uses irony and sarcasm to characterize the king and duke in such a way that communicates his belief that pretending to be something you are not (for the sake of appearances) is both ridiculous and embarrassing.
