"Parallel structure" is a fancy way to say compound subjects, verbs, objects, phrases, clauses, and so on. When we make lists or describe multiple actions or attribute multiple reasons, the structure (verb, subject, phrase, etc.) must be the same (parallel). So, now you should easily be able to identify then in the last 2 lines of the address the parallel structure of phrases. Go back and look.
I hope you found them: of the people, by the people, for the people. So when you read these phrases in the context of the speech as a closing, what emotions do you feel? Are you hopeful? Excited? How do you think people who heard the speech felt? What about those who read it in the newspapers the next day?
