What is not an effect of overcrowding?

unsafe water leads to disease

underutilized transportation

crime

fire hazards

The correct answer is D) fire hazards.

Fire hazards are not an effect of overcrowding.

The demand for jobs during the industrial revolution attracted many people, immigrants, and former slaves to larger cities where fabrics and industries were located. This created the problem of overcrowding, where too many people lived in small and inadequate homes, creating potential problems such as the spread of diseases, lack of good sleep patterns, personal problems and frictions.

i confess that there are several parts of this constitution which i do not at present approve, but i am not sure i shall never approve them: for having lived long, i have experienced many instances of being obliged by better information or fuller consideration, to change opinions even on important subjects, which i once thought right, but found to be otherwise. it is therefore that the older i grow, the more apt i am to doubt my own judgment, and to pay more respect to the judgment of others.

what are the options ?