Why does abraham use formal diction in the gettysburg address

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

Hamlet act 1 what does polonius tell ophelia to do? why?

Drag the tiles to the boxes to form correct pairs. match each word with its synonym irate wasteful unmerciful headstrong extravagant stubborn heartless angry