题目内容
James W. Marshall was the first person to discover a gold mine in California.
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The vast majority of those who arrived in California were Americans.
The Gold Rush transformed California from a sleepy society into one that was wild, unruly, ethnically-diverse, and violent.
The Gold Rush provided the United States with its richest mines, greatestforests, and most fertile farm land and made America one of the richest countries.
The Gold Rush was a period of feverish migration of workers into the arca which witnessed a dramatic discovery of commercial quantities of gold. 答案:
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