The background of the hook of Genesis is closely related to all these major changes of the 10th century BC: monarchy, an international empire, the centrality of Jerusalem, Zadok as priest, etc. In order to get the Israel's people to go along with these major changes, the Israel's writers gives them the anticipations and reflections of the social, religious, and indeed political messages of the present of themselves, through the narrations the histories of the earlier traditions hack to Abraham in the hook of Genesis. And Israel's writers rejected the poetic tradition and created an entirely new literary mode: narrative prose, as a radical departure from the multiplicity of deities present in the surrounding cultures.