The bone of the arm (humerus) meets both the ulna (the inner bone of the forearm) and radius (the outer bone of the forearm) to form a hinge joint at the elbow. The radius and ulna also meet one another in the elbow to permit a small amount of rotation of the forearm.
The emigres were those who helped to spur on the revolution. People were tired of being poor and watching the royalty get richer without any work.
The historic Babylonians, e.g., were Semites; yet they dispossessed an earlier non-Semitic people, and were themselves frequently invaded by other races, such as the Hittites, and even the Egyptians. It is not certain therefore which gods, customs, laws, etc., of the Babylonians were Semites, and not adopted from those whom they superseded.