Jehovah was the tribal god of Israel. Fortunately he was stronger and more terrible than the gods of the neighboring tribes, so that he was able to drive them out and give their land to his own people, but he was not fundamentally different from them and they were believed to be quite as real as Jehovah.
p. 4 - Christianity and the Social Crisis (1907) - Ch.1 The Historical Roots of Christianity the Hebrew Prophets