Ham and" the soldier's joy boys! girls! raise a pig, feed some chickens, convert the surplus and waste into meat and eggs : joint a club and learn Uncle Sam's way
The pattern
This still is filed under Civilian war-duty equate.
Define
A civilian act (saving, making, staying quiet) is framed as the same duty as the front.
Mechanism
Moral equate. The small act inherits the gravity of the large one. The ask is ordinary. The meaning is not.
Verdict
We need mass compliance on an unglamorous behavior and can honestly tie it to a shared stake.
Why it works
It translates the abstract war effort into a concrete, familiar food ('Ham And' - presumably ham and eggs) that kids can produce. The callout to 'Boys. Girls.' makes it impossible for the target audience to ignore.
Steal this when
You need to motivate children or young adults to take on a responsible task by linking it to a patriotic or heroic outcome.