Final answer:
The evolution and professionalization of modern nursing can be traced through the growth of female education, improvements in training and standards, and the advancements in the Black medical profession.
Step-by-step explanation:
The evolution and professionalization of modern nursing can be traced through the growth of female education and the efforts to increase standards and training in the profession. During the early decades of the twentieth century, the teaching field expanded, providing new opportunities for educated women. The labor market for nursing and healthcare professionals also underwent changes, with improvements in training and standards. Additionally, the Black medical profession made significant advances during this time.