It's amazing what posters can tell us about the era in which they were produced. World War I saw death and destruction on a scale never seen before, and the governments involved spent considerable energy recruiting people to aid in the war effort. Naturally, nurses were needed as well as soldiers.
As the following article explains, “To encourage women to enter this difficult and dangerous occupation, posters often appealed to the target audience’s patriotism, sense of compassion for soldiers on the front line, and religious values.”
To see more about how this was done, follow the link to 10 Vintage Nursing Recruitment Posters from World War I.