Rupert,
Although very many of my ancestors fought valliantly in many, going back to the "revolutionary" one, and the "civil" one (as if there's ever a civil kind of war), I'll just have to say that my answers to all of yours are NO.
I am a pacifist. I believe in the "Prince of Peace".
I "turn the other cheek", talk, and attempt to resolve differences in a peaceful and agreeable way BEFORE, not after.
Seems to me, unless humans begin to start thinking in alternative ways, and given the technologies of destruction of our own creation, those that we've devoted our most "educated minds" to invent, the only hope for humans is to not look back on which were "good ones" and which ones weren't, but to see a better approach to resolve differences.
If not, no amount of "evaluation" will decide those that are justified.
Many more will die in the process.
If you and others wish to "stay the course", we all are indeed doomed.
http://www.antiwar.com/