It was Moses, the stern legal purist, who imposed his religion of Yahweh on the other tribal groups. It was the rigorists who again won at the time of Josiah’s reform. It was rigorous Judah, not compromising Israel, which survived the assault of the empires; and it was the rigorist community of Babylon, returning from Exile, which imposed its will on all Jews, excluding many, forcing many others to conform. The canon and the synagogue became instruments of this rigour, and it was to win many more victories.