You read a long novel about many generations of a family living in the southern United States. Over and over again, the family makes a fortune and loses their fortune, first during the Civil War, again at the turn of the 20th century, and yet again during the Great Depression. No matter what they do, they can't seem to hold onto their wealth, and each generation has to start over again to build it back up.

What is the recurring theme in such a novel?
A.
Hard work will lead to a huge fortune.
B.
Fortune is highly unpredictable.
C.
Fortune smiles on good-hearted people.
D.
Money is more valuable than family.