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.
To inform you on what’s going to happen and what’s happening
The Answer would be B i believe.
Thesis: a thesis is a short, usually one sentence statement that summarizes the main points of the piece <span />
He spoke out and asked for civil, economic, and racial rights. It was one of the most unforgettable speech's in history. The main purpose was to fight for the rights of African Americans/Blacks. Martin incredibly ended racism using only his words instead of fighting.
Hope this helps! :)