Now during the period preceding the Exile all this was very different. So far from being zealous for one Supreme God, Jehovah was long recognized only as a tribal or national god, one among the many gods of surrounding nations. When the idea of a Supreme Deity, who loved justice and mercy better than the blood of bullocks and rams, was at length elaborated by the later prophets, it received but scant acceptance. The great majority of the kings and people, both of Judah and Israel, were always ready to lapse into idolatry, worship strange gods, golden calves, and brazen serpents, and flock to the alluring rites of Baal and Astarte, in groves and high places. They were also always ready to intermarry freely with heathen wives, and to form political alliances with heathen nations. There is no trace of the religious and social repulsion towards other races which forms such a marked trait in modern Judaism. Nor, as we shall see presently, is there any evidence, prior to the reign of Josiah, of anything like a sacred book or code of divine laws, universally known and accepted. The Books of Nehemiah and Ezra afford invaluable evidence of the time and manner in which this modern Judaism was stamped upon the character of the people after the return from exile. We are told that when Ezra came to Jerusalem from Babylon, armed with a decree of Artaxerxes, he was scandalized at finding that nearly all the Jews, including the principal nobles and many priests and Levites, had intermarried with the daughters of the people of the land, "of the Canaanites, Hittites, Perizzites, Jebusites, Ammonites, Moabites, Egyptians, and Amorites." Backed by Nehemiah, the cup-bearer and favourite of Artaxerxes, who had been appointed governor of Jerusalem, he persuaded or compelled the Jews to put away these wives and their children, and to separate themselves as a peculiar and exclusive people from other nations. It was a cruel act, characteristic of the fanatical spirit of priestly domination, which never hesitates to trample on the natural affections and the laws of charity and mercy, but it was the means of crystallizing the Jewish race into a mould so rigid, that it defied wars, persecutions, and all dissolving influences, and preserved the idea of Monotheism to grow up into the world-wide religions of Christianity and Mahometanism, So true is it that evolution works out its results by unexpected means often opposed to what seem like the best instincts of human nature.