Read this excerpt from an Ohio State board of health report issued following World War I [World War I] has demonstrated the prime importance of
maintaining high standards of health as a means of
keeping up national efficiency. The men returning from the
army have received sanitary training as well as military
training, and as they take up civil pursuits again they are
going to demand that civil authorities give them health
protection equal to that which they have received while in
the army. The men in the medical forces of the army,
recruited from among physicals all over the country, have
received invaluable training in the science of sanitation,
and will provide ample personnel for any program of public
health protection which may be undertaken.

Which historical interpretation does the source most support?