states separated into the aforementioned three groups about 9,000 BCE after migrating from North Africa—-the Semitics (i.e., Proto-Semitics ) establishing themselves in and radiating from Jericho , the Aryans (i.e., Proto-Indo-Europeans ) establishing themselves in and radiating from Catal Huyuk , and the Dravidians (i.e., Proto-Dravidians ) establishing themselves in and