The social investigations which have been made in recent years, together with the revelations made by charitable organizations, have driven home the fact that while intermittent fire and water and industrial crises and heat and cold undoubtedly add to human helplessness or distress, there is a steady and constant helplessness and distress based on underfeeding, homelessness or bad housing, unemployment, lack of vocational training, low wages, ignorance, occupational diseases and accidents, sexual irregularity, and other causes for which spasmodic almsgiving, however tenderly and efficiently applied, is no remedy whatever. Added to this definite knowledge is the knowledge, based on the experience of charity workers, of the opprobrium which is cast upon charity of the personal type, at least, by industrious wage-earners, the products of whose toil, instead of being used to provide them with the creature comforts, are, in many cases, consumed by those who toil not, neither do they spin, but who are active in distributing alms to producers. Partly to satisfy their own intelligence and partly to overcome the resentment among working people at the idea of charity, the social worker has come into being and social service has developed into a philosophy, an education, and to a certain extent into a science. Step by step it has been pushed into municipal departments—notably, the health and educational departments. Where associated charities have been well developed and the city has the idea of social service in its charitable work, the tendency is to use the word “welfare” and to designate this function as “public welfare.” It is the same development which has characterized all other public work—the growth from remedy to prevention—and the growth is stable for the reason that it represents economy in place of the former waste of money and effort and because popular education is leading to the demand for prevention and justice rather than charity. In this expansion of municipal functions there can be little dispute as to the influence of women. Their hearts touched in the beginning by human misery and their sentiments aroused, they have been led into manifold activities in attempts at amelioration, which have taught them the breeding places of disease, as well as of vice, crime, poverty and misery. Having learned that effectively to “swat the fly” they must swat its nest, women have also learned that to swat disease they must swat poor housing, evil labor conditions, ignorance, and vicious interests. Sometimes the mere self-preservative instincts have forced women out to work among their neighbors; for in cities one’s neighbors may murder in innumerable ways besides with the pistol or dirk.