the unk shaw commission found Know that the fundamental cause of the violence Violence `` without which in our opinion disturbances either would not have occurred Coming_to_be or would not have been little more than a local riot Violence , is the arab feeling of animosity and hostility towards the jews consequent upon the disappointment of their political and national aspirations and fear for their economic future , ” as well as arab fears of jewish immigrants `` not only as a menace Commitment to their livelihood but as a possible overlord of the future . ''