How did tenements contribute to the spread of disease in eastern cities? Tenements were overcrowded dwellings that lacked proper sanitation.
Tenements were constructed from old ship and factory parts that contained toxins.
Tenements were filled with immigrants who brought new diseases from Europe.
Tenements were used to store grain that was infested with vermin.

Living conditions in many of the city's tenements did endanger the health of residents. ... of the ideas that would influence the emerging field of public health. ... De Wolf's methods for preventing the spread of contagious disease ... of recently arrived Polish, Greek, Italian, and Eastern European families.

answer; i believe the correct answer is (federalist);

answer; the cats meowing will temporarily increase, but then it will decrease;