In 1909, Yssabella Waters Published Her Survey Visiting Nurses in the United

In 1909, Yssabella Waters published her survey Visiting Nurses in the United States. This document highlighted the fact that:

A) Nurses were trained by Boards of Education.
B) Trained nurses adequately covered less densely populated areas.
C) Visiting nurses services were concentrated in the northeastern quadrant of the nation.
D) Nurses were curing diseases such as tuberculosis and typhoid fever that greatly enhanced their credibility.