Lots of wartime references here, which audiences of the time would have appreciated. Early on there's a glimpse of an ad extolling people to buy war bonds. And the phrase V for Victory is sung several times.
Bugs concludes "Oh Susannah" with "Good evening, friendddds!" a nod to singer Al Jolson.
One of the pre-1948 cartoons to fall into the public domain as United Artists, the copyright holder of the pre-1948 shorts at the time, failed to renew the copyright in time.
Elmer Fudds's short and chubby appearance is a caricature of Arthur Q. Bryan, the actor who did his voice.
Much like Wabbit Twouble (1941), directed by Robert Clampett the previous year, this features Bugs as the aggressor provoking Elmer for no apparent reason.