As I don't know the 'Livye Lewis story', I can't say exactly who this Livye Lewis is. It could be an ordinary person with an interesting personal story, or perhaps someone who is known within a certain group.
It enriches our understanding. Fiction can fill in the gaps of what we don't know for sure. For example, we can't be entirely certain of the personal thoughts and feelings of Lewis and Clark during every moment of their journey. Fiction allows authors to make educated guesses and present those in a story form.
March by John Lewis is a comic that presents a significant and thought-provoking story. It uses the comic format to convey important messages and perspectives.