Violence/Aggression... everybody speaks of it as if it was something defined "per se".
Pearl Harbor, a few days before US froze Japan's funds, so was it a Japanese aggression or self-defending?
Like anything else it just depends on which side of the barricade you're. In the "right side" you're a "Freedom Fighter self-defending", in the "wrong side", you're an "Aggressive Terrorist".
Reason why anarchy doesn't go; we need some sort of "objective morality", Religion used to do that job in the past, but was doing quite a lousy job, so now we've Governments for such job.