In which branch of the military did Bierce serve?

What is the effect of describing polyneices as a "wild eagle screaming insults above our land"? question 5 options: we understand that polyneices was wild and fierce in battle. we understand that polyneices deserves to remain unburied due to his inappropriate behavior. we understand that polyneices single-handedly won the battle. we understand that polyneices is ruled by a half-human, half-bird goddess.