A company with a pure monopoly means that a company is the only seller in a market with no other close substitutes. ... Also, with pure monopolies, there are high barriers to entry, such as significant start-up costs preventing competitors from entering the market.
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Answer:The increased demand for cheap housing by urban migrants led to poorly built homes that inadequately provided for personal hygiene. Immigrant workers in the nineteenth century often lived in cramped tenement housing that regularly lacked basic amenities such as running water, ventilation, and toilets.
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