Answer:
Mining for gold.
Step-by-step explanation: Samuel Brannan was considered the first millionaire west of the Mississippi. He became a millionaire during the California gold rush in 1849 by capitalizing on the needs of miners.
Step-by-step explanation:
Brannan didn't actually dig for gold, but gold swelled his investments to a fortune. His store made enormous profits by selling as much as $5,000 (about $120,000 in 2005 dollars) in goods per day to miners.
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