Answer :
Final answer:
John Sloan's painting 'Sixth Avenue and Thirtieth Street, New York' illustrates the social isolation caused by industrialization in cities.
Explanation:
John Sloan's painting 'Sixth Avenue and Thirtieth Street, New York' best illustrates the effects of industrialization leading to social isolation in cities. The urban scene depicted in the painting showcases the anonymity and disconnection experienced by individuals in a bustling city environment, emphasizing the sense of alienation brought about by industrialization.
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