| http://www.w3.org/ns/prov#value | - As the United States industrialized during the 19th century, immigrants and workers from the countryside were housed in former middle-class houses and other buildings, such as warehouses, which were bought up and divided into small dwellings,[6][7] and also, beginning as early as the 1830s in New York City's Lower East Side[4] or possibly the 1820s on Mott Street,[8] in jerry-built 3- and 4-floor
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