Times change and in the early 1900's only the very fortunate, middle class and rich actually went on holidays. So a key plus for recruiting so called 'normal' infantry was the chance for them to travel around the world. Although most would end up in a small part of Europe in a wet trench.
Changing peoples diet was essential in maintaining resources going to the front line and keeping up the War effort. Explaining that eating less meat and viable alternatives such as cottage cheese can provide the protein needed.