Once all the loose gold had been mined from streams, who moved into the mining towns? a. large mining corporations b. farm families c. cattlemen d. the federal department of agriculture

a. large mining corporations

Explanation:

Rush for gold started at the beginning of the year of 1848 when gold was found in California. It was a huge opportunity for large mining corporation to claim for huge profit as at that time there was no property rights in the area of goldfields. Panning, a simple mining procedure was used to extract gold until more developed methods developed.

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john hunter was a scottish surgeon, he was a early advocate of careful observation and scientific method in medicine,

hope this !

what are the others?