Answer:
The US government wanted citizens to save food for the military if they were not going into war. In other words, if you were not participating in the war, they wanted you to save the bread, meat, and other good food for those who enlisted in the military.
Explanation:
I have extensive knowledge on this topic and if you look up propaganda posters from WW1 and WW2 you will see posters asking for food or to enlist.