Think of an event or story for the three different parts of the continuum, factual historical account, legendary occurrences, and mythical event/folktale. (HELP)

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