Poe uses on the line "Desolate yet all undaunted, on this desert land enchanted" the following poetic device:
A. Alliteration.
Poe uses alliteration. Alliteration is the conspicuous repetition of identical initial consonant sounds in successive or closely associated syllables within a group of words, even those spelled differently.
In this case, you can see (or more precisely, hear) the alliteration with the sounds of the words that begin or contain 'd',
When trying to convey the thoughts and feelings of immigrant laborers in the early 20th century, it would be best to read a narrative type of passage, due to the story.