In the past, tribal society demanded that a man become "a real man." It demanded that he be steadfast, persevering, and brave. These values were displayed to the fullest extent on the battlefield.
另外就是過去部落要求男人成為「真正的男人」、希望他們堅忍、英勇等價值觀，落在戰場上也得到很大的發揮。