It was nonviolent, until bosses/police starting shooting miners and their families, at which point it developed into a small-scale civil war. So yes, I shouldn't have simply said blanket non violent I guess... I was just trying to draw a distinction between "let's fight for justice for ourselves" versus "let's storm the capital and do away with the leaders" as two roads (with the first being more effective, and the second often leading to catastrophe instead of the progress that was hoped for.)