Why did the merchants in California make a lot of money during the Gold Rush? A. Millions of miners were striking it rich and spending lots of money.

BCalifornians tended spend more money than most Americans at the time.

CCalifornia was such a beautiful place to live that many of the people who moved out there stayed.

DCalifornia had become a place of low supply and high demand very quickly, so even prices for necessities were very high.