Paragraph 6 is more of the analysis
In American Romantic Literature the “journey” means "leaving civilization and entering the universe of nature".
The American Romantic period, which kept going from around 1830-70, was a period of quick extension and development in the U S that energized intuition, creative ability and independence in writing. This writing esteems feeling and intuition over reason.
Alliteration focuses readers attention on a particular section of text. Alliterative sounds create rhythm and mood and can have particular connotations. For example, repetition of the "s" sound often suggests a snake-like quality, implying slyness and danger.