n what way was Ralph Waldo Emerson important in Henry David Thoreau's
professional life?
OA. Thoreau lived on Emerson's land, which was the subject of one of
his books.
OB. Thoreau could not find a publisher for his books and relied on
Emerson's influence.
OC. Emerson was the one who paid Thoreau's poll tax, which freed him
from prison.
OD. Emerson criticized Thoreau's work, which led to a long-standing
rivalry.