the combined reactions determined the social history of Western Jewry. Discrimination, however, as well as attraction, were politically sterile. They neither produced a political movement against the Jews nor served in any way to protect them against their enemies. They did succeed, though, in poisoning the social atmosphere, in perverting all social intercourse between Jews and Gentiles, and had a definite effect on Jewish behavior. The formation of a Jewish type was due to both—to special discrimination and to special favor.