How might the invention of a new powerful fuel source

Which line from the splendor falls on castle walls contrasts most sharply with the repeated phrase "dying, dying, dying"?

How are the themes from roosevelt's introduction to his address and the excerpt from king's letter similar? click here to read "letter from a birmingham jail."

Which pair of uses of figurative language from "the caged bird" support the extended metaphor of freedom versus oppression? back of the wind; floats downstream his wings are clipped; his feet are tied the caged bird sings; the free bird thinks dawn bright lawn; grave of dreams