Is "our sand castle was washed away" a phrase

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

She has combed and brushed her night-dark hair, and bathed rose petal sweet, and drawn white gloves on her small brown hands, and white shoes on her feet. which literary technique does the stanza demonstrat

Solve this analogy problem: thick : thin : : heavy : question 1 options: gray round rosy light