By providing the laboring classes with better tenements, improved ventilation, and healthy and cleanly arrangements in respect to yards, sinks and sewerage, they will certainly suffer less from sickness and premature mortality, and a vast amount of pauperism, crime, and wretchedness be prevented.

–dr. john griscom, 1842

what is the main idea of the passage?

crime is the result of poor living and working conditions.

providing people with clean, safe housing will improve society.

people will be more inclined to move to the city if it was clean.

providing people with better factory conditions will improve society.

answer b. providing people with clean, safe housing will improve society.