War is often times even negative sum game.
replyDo what you are asked to ≠ Your duty.
replyDuty of a warrior is to fight for his country/tribe/side. Duty of a king might be to reduce suffering for his subjects.
Historically, no. It's like Tennyson: Theirs not to make reply, Theirs not to reason why, Theirs but to do and die.
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