How does Douglas use parallelism in this excerpt?

The novel begins with a flashback. what do you think is its purpose? what do you learn about the narrator?

Which passage from kennedy's inaugural address is an example of an allusion? to our sister republics south of our border, we offer a special pledge-to convert our good words into good deeds-ir new alliance for progress but this peaceful revolution of hope cannot become the prey of hostile powers a call to bear the burden of a long twilight struggle, year in and year out, rejpicing in hope patent in tribulation it a free society cannot the many who are poor, it cannot save the few who are rich

Where is grendel? where does he go? what makes him go? will he return? what will he be when he returns? what do his origins and destinations have to do with his character?