Introduction Introduction 1)"Horseman in the Sky"is a poignant story in which we see a father and a son on opposite sides in a civil war.The story raises the issue of how difficult it can be to hold to one's principles.Is one loyal to one's cause or to one's family?This becomes an agonizing choice when these two loyalties are pitted against each other. 2)Background of the American Civil War:Before the war, there were really two Americas-an industrial north and an agricultural south 导言Introduction Introduction 1) “Horseman in the Sky” is a poignant story in which we see a father and a son on opposite sides in a civil war. The story raises the issue of how difficult it can be to hold to one’s principles. Is one loyal to one’s cause or to one’s family? This becomes an agonizing choice when these two loyalties are pitted against each other. 2) Background of the American Civil War: Before the war, there were really two Americas－an industrial north and an agricultural south. 导言