We can go around and around on "who started it?" but that will lead us nowhere...
In every human interaction, people almost never take aggressive action unless they feel provoked or justified -- we see this on the grand scale between nations and on a more accessible level in interpersonal relationships. It's awfully easy to turn things into one side being completely justified and the other side being completely in the wrong. Pat answers are rarely completely right.
Peace.
~ ~ ~ All meetings end in separation All acquisition ends in dispersion All life ends in death - The Buddha