Inadequate sanitation in city tenements led to rapid disease spread due to poor waste disposal methods and lack of clean water.
Inadequate sanitation most directly contributed to the spread of disease in city tenements in the early 19th century.
Due to poor sanitation practices, housing in tenements lacked proper waste disposal systems, leading to rampant spread of diseases such as tuberculosis and pneumonia.
Additionally, the presence of open sewers, uncollected garbage, and lack of clean water further exacerbated the health hazards faced by urban city dwellers.
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