No, Beah did not return to Mogbwemo. The boys decided not to go to Mogbwemo instead they return to Mattru Jong because Mogbwemo is no longer livable for them. They also realized that they are putting themselves in great danger.
I believe that the first and last paragraphs are realism because of their cynical descriptions of harsh things, and the middle two are romanticism because of their embellished/elegant descriptions.
