With the rise of rabbinic Judaism after 70 AD, its economic impact increased. Historians have frequently noticed, at different periods and in diverse societies, that the weakening of clericalism tends to strengthen economic dynamism. During the second century AD, clericalism virtually disappeared from Jewish societies. The Temple priests, the Sadducees, the teeming servitors of a state-supported religion all vanished. The rabbis, who replaced the clerics, were not a parasitic caste.