22. What was the most significant cause of infant mortality in the United States during the early
1900 s among working class families? a. Sewer systems were not established in most US cities
thus contaminating much of the urban environment with sewage b. The practice of bottle feeding
infants with unpasteurized cow\&\#39;s milk c. Malnutrition was a big problem especially since
vitamin supplements were not yet available to thesgeneral public d. Most of the water supply in
the US was contaminated and responsible for the death of many children from diphtheria e.
Hodgkin\&\#39;s lymphoma was prominent and affecting many children under the age of 3
during that period.
22. What was the most significant cause of infant mortality in the Un.pdf
1. 22. What was the most significant cause of infant mortality in the United States during the early
1900 s among working class families? a. Sewer systems were not established in most US cities
thus contaminating much of the urban environment with sewage b. The practice of bottle feeding
infants with unpasteurized cow's milk c. Malnutrition was a big problem especially since
vitamin supplements were not yet available to thesgeneral public d. Most of the water supply in
the US was contaminated and responsible for the death of many children from diphtheria e.
Hodgkin's lymphoma was prominent and affecting many children under the age of 3
during that period
