The relationship between the inhabitants of the Arabian Peninsula and its outskirts has remained close throughout historical times, as multiple migrations were taking place, from within the island to its outskirts. Sometimes large migrations take place carrying a large number of people to the countries of the Fertile Crescent. Iraq was one of the most important areas that attracted many migrations of Arab tribes that had settled in it since ancient times. In it, these tribes played a political role in the modern history of Iraq, represented in the tribal alliances and the accompanying complications and political developments. And the nature of the relationship of those tribes with the Ottoman administration. Which tried in various ways and means to control it, and collect money from it by imposing taxes, so the Ottoman government adopted, in its dealings with the Iraqi clans, a policy that would dismantle the clan system and limit its influence.