Answer:
The artist is on the side of the Southerners, in this case, Preston Brooks.
The caption Argument vs Club, seems like a mockery of the harm that befell Charles Sumner. Apparently, the side with the club was winning.
Explanation:
The artistic impression of the beating that Charles Sumner received from Preston Brooks shows the Southerners laughing and cheering on as Sumner was beaten by Brooks. Even though this was a true depiction of what happened, the caption by the artist seems to show that the artist was on the side of the Southerners.
Southern Chivalry- is a term that portrays the pro-slavery Southerners as knights and gentlemen. Argument vs Club is also a caption that shows the Club side winning as supporters cheer on.