Will my tounge piercing close overnight after I’ve had it for 9 months?

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

How does the passage above relect the typical plot that appears in travel narratives?

Weakened further by dysentery the farther could not get out of his bunk what further injury did some of the inmates do him