Who's afraid?, or, the Oregon question

Print shows the British Prime Minister Robert Peel and the United States President John Polk standing on a dueling ground with their seconds; Peel is in foreground center, turned toward viewer, pistol in his left hand; his second, John Russell, says, "Serve him out, Bobby." Polk is in background right, half turned toward viewer, asking his second, King Louis Philippe, who is handing Polk a pistol, "Do you think he is in earnest?" To which, his second says, "Courage, mon President, visez au coeur."