Sentence:Athens, in his time, was strictly a portion of feudal Europe, and the [e1]chivalry[/e1] of Athenian [e2]dukes[/e2] was familiar to those for whom he wrote, and wherever chivalry was in esteem; and when he described a fatal battle in the plain of Thebes, the slaughter of knights, the despair of their ladies, he recalled a great catastrophe recent in men's memories.
 e1: chivalry. 
 e2 : dukes.
Answer: Other