Why is Jim’s demonstration with the jawbreaker important to the plot?

How does the structure of his italian sonnet by petrarch support its theme

What type of figurative language is used in this passage from "letter from birmingham jail"? just as the prophets of the eighth century b. c. left their villages and carried their "thus saith the lord" far beyond the boundaries of their hometowns, and just as the apostle paul left his village of tarsus and carried the gospel of jesus christ to the far corners of the greco roman world, so am i compelled to carry the gospel of freedom beyond my own hometown. allusion symbolism imagery metaphor

Evaluate the argument in president kennedy’s inaugural address for sacrificing oneself for the greater good of humanity. is this argument convincing? in what ways can we see the legacy of his request in this word today.