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They are protest poems because the poet used the poems to express beliefs a bout wars and about the government that led her to wars. They are full of ideological beliefs and are kind of persuasive so they are often considered to be protest poems.
Answer:
When Thoreau says <em>superfluous wealth</em> he refers to money that is not needed or there is more of it than enough and that with all that money can be bought just things that we do not need. Those things make us blind for what should be really important in life. As he goes on in the second sentence - we can have money, but we can not buy what our soul needs. Life can be experienced far more fully when living simply.
