sentences:  During the mid-19th century, were common to the death duels between gauchos and mestizos afroargentinos.In Argentine literature, these disputes are represented in a racist way in a stanza from the 1870 epic poem "Martín Fierro" (The way) by José Hernández, in which the title character Fierro is at a dance when a black couple enter; Fierro insults the woman, who responds in kind; Fierro then taunts the couple with the following verse