A bit nitpickety, but

not sure I can let this one slide by.

For centuries, black people in America suffered the lash of the whip as slaves and the humiliation of segregation. But it was not violence that won full and equal rights. It was a peaceful and determined insistence upon the ideals at the center of America's founding.
from President Obama's Cairo speech today

So, what was up with that whole War of Norther Aggression thing, then? Oh, right. I remember now. When governments and militaries engage in violence, it's called "force" and it's okay, cuz they're nation-states or something.