The soldier's main enemy is not the opposing soldier, but his own commander.
The occupation and robbery of a nation occurs under the illusion of freeing its citizens from brutal oppression.
The tyrant always talks as if he's preserving the best interests of his people when he actually acts to undermine them.
All it takes is a single act of aggression to permanently wound a nation's reputation.
A man who kills on his own is a murderer. A man who kills at his government's request is a national hero.
Humanity is quite a unique species, since it is the only one with the means to wipe itself out.