An essay based on good morals has been replaced with the hunger for money​

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

Through actions and conflicts of force, the plot of novel is logically brought to the the turning point in the conflict

What influenced robert louis stevenson's writingstyle?