The conditions described in the passage from 'Bleak House' are primarily caused by the spread of steam-powered factories and mills. This industrial advancement led to urbanization and significantly altered the social structure, contributing to economic inequality. Therefore, the chosen answer is B.
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The passage reflects the social changes of the Victorian era, primarily caused by the spread of steam-powered factories. This industrial advancement led to urbanization and significant economic inequality. Consequently, the working class faced harsh conditions as they adapted to these changes. ;