Which of the following was a major factor contributing to the problem addressed in the quotation?

(1 point)
Responses

the sudden increase in property crimes
the sudden increase in property crimes

the problem of sanitation in cities
the problem of sanitation in cities

the mass crowding of city and tenement buildings
the mass crowding of city and tenement buildings

the problem of monitoring pollution from urban tenements

The mass crowding of city and tenement buildings