This involved an entire reconstruction of theological ideas which went beyond even the reconstructions of Amos and Isaiah.
On the other hand, the reconstructions which allow a gradual settlement (perhaps of distinct groups), and an intermingling with the earlier inhabitants, certainly find support in biblical evidence, and they have been ingeniously built up with the help of tribal and other data (e.g.
On the reconstructions of the tribal history, see especially T.
Hence the various reconstructions of the earlier history, with all their inherent weaknesses.
Hence, in the absence of more complete external evidence one is obliged to recognize the limitations of Old Testament historical criticism, even though this recognition means that positive reconstructions are more precarious than negative conclusions.