Roman aquaducts are a marvel of modern engineering and architecture. The ancient Romans constructed aquaducts to move water from springs in the mountains to the cities. The aquaducts could be up to 60 miles long and were composed of graceful arches. Many cities would not exist without these aquaducts. The water delivered by the aquaducts kept the cities of the Roman Empire clean. Otherwise, they would have been filthy because the sewers would overflow. Without clean water to remove the refuse, disease would have spread throughout the Roman empire.

Read the excerpt below from the poem "exile" by julia alvarez and answer the question that follows. i let myself lie back in deep waters, my arms out like jesus' on his cross, and instead of sinking down like i'd always done, magically, that night, i could stay up, floating out past the driveway, past the gates, in the black ford, papi grim at the wheel, winding through the back roads, stroke by difficult stroke, out on the highway, heading toward the coast. which literary device is used in the comparison between the speaker's experience of fleeing the country and floating in the ocean? i let myself lie back in deep waters, my arms out like jesus' on his cross, and instead of sinking down like i'd always done, magically, that night, i could stay up, extended metaphor symbolism simile theme