The Martins are two new members of the fictional family in the 1936 song 'The Martins and the Coys'
Bugs Bunny is vacationing in The Ozarks, a mountain range in the central part of the United States, covering 47,000 square miles in Arkansas, Missouri, Oklahoma, and the far southeast part of Kansas.
The hay baling sequence was also seen in the 1956 short "Weasel Stop."
Bugs and the two hillbilly chaps all break the fourth wall.
President number 26, Theodore Roosevelt, is referenced in two Bugs Bunny cartoons - this one and Ballot Box Bunny (1951).