* Based on the apparent disadvantages of Central Asia, both climatic and social, Turkish lineages began to accelerate their migrations towards the Middle East with the advent of the tenth century, in search of new habitats in which they could reside permanently. Although they were built as homes based on conquest within the traditional lands of the Iranian Empire, they could not remain stable much, due to their constant quarrels and battles over power, whether in their relations within the lineage or with neighboring peoples.
* The fundamental issues of the Kurds in this period (i.e., between the eleventh and twelfth centuries), whether emirates or civil society, stem from their confinement between the relations of tension, conflict, and harmony with the Arab sultans and invaders on the one hand, and their position on the traditional line of expansion and occupation inherited from Byzantine imperial Rome on the other. Attacks by tribes with Semitic backgrounds extending at their roots to the culture of the Ubaid (5000 – 4000 BC) did not know calm or stillness, coming from Yemen and the southern desert valleys. These waves of spread towards the north (towards the lands and geography that led to the emergence of the term paradise), which continued during the eras of the Akkadians, Babylonians, and Assyrians with the support of their empires; their pace accelerated further with the escalating Arab invasions starting from the fifth century BC.
