Which of the following is NOT a true statement about the California Gold Rush?
A. People from many different parts of the world traveled to California in hopes of striking it rich.
B. Most forty-niners made a lot of money in California and decided to stay.
C. President Polk's remarks about gold in California allowed for "gold fever" to sweep through the nation.
D. Over time, many forty-niners became disillusioned by the realities of life in California.