Depends on the time scale. I mean the early middle ages (500 to 1000) could be described as "(smaller) tribes fighting over what is left" (considering all the barbarians from the north pillaging the roman empire while the Arabs conquering it from the south).

The evolution of modern society is as much a result of religion (centralizing a purpose and limiting inner fighting) of science (do things more efficient) as it is to violence.

Violence might be one way to progress, everybody is entitled to an opinion. I just hope you experienced it yourself if you believe it is the way you prefer personally. I am saying just because I thought some things would be great, only to be quite disappointed when I actually tried them...