The given excerpt is from an Ohio State Board of Health report, the historical interpretation of which most supports an increase in the number of qualified health care professionals in the United Nations. Hence, Option A is correct.
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What is a qualified health care professional?</h3>
An individual having education, training, and a license and one who can give professional service whenever required in his/her area of practice. Such a person is known as a qualified health care professional.
After World War I, men who returned from the army had received training in the sanitary section also. This training helped them get recruited as physicals all over the country. After recruitment, they received training in the science of sanitation also.
As a result, Option A is correct: World War I increased the number of qualified healthcare professionals in the United Nations.
Learn more about qualified health care professionals from here:
brainly.com/question/11728759
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