Potosn in what is now Bolivia . Various forms of crude mass production quickly took the place of the primitive washing process , and extensive plant was set up for extracting the silver from the ore , usually by a mercury amalgamation process . The typical silver miner was a capitalist and an employer of native labour , skilled and unskilled . Thus the land was being turned into the colony with cheap work force . The constant import of silver had disastrous effects on prices and...











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