Which theme is best expressed in "the girft of the magi"?

In 250-300 words, explain how the theme of social justice is explored in the novel. {to kill a mockingbird}

Compare and contrast life in the capitol to life in district 12

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