Because Irish Immigrants, Native Americans, and African Americans were all mentioned as dreamers in "Let America be America Again" but Royalty living in the "Old World" was not mentioned to be a dreamer in the poem. Therefore, the answer is B. Royalty living in the "Old World".
This is wonderful I just took a quiz on this today ok so the bird is like an unearthly being and so that's why it always says nevermore sorry I know a lot he is my great great great uncle