James Marshall's discovery at Sutter's Mill in 1848 led to The Gold Rush. His finding of gold sparked significant migration to California as thousands of people, known as "49ers," sought to find their fortune in gold mining.
In 1848, James Marshall was building a mill in California called Sutter’s Mill when he made a discovery. What did his discovery lead to?
The Gold Rush
The Homestead Act
The Second Seminole War
The Monroe Doctrine
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