It is clear that the Islamic Arab regions in the sixth century AH / twelfth century CE witnessed wide and important political and military events, especially in Bad Egypt, the Levant and the Arabian Peninsula, and the most important of these events was the European foreign invasion, that grave danger that threatened the sovereignty of the Arabs over their lands, as well as the weakness of the caliphate The Abbasids in Baghdad and the dissolution of the Fatimid caliphate in Egypt, as well as the conflicts that existed between the local rulers in the Arab Islamic regions, and the rupture and political disintegration that existed between them at the time, and the most prominent of which was the conflict that took place between his insulting Mosul after the death of Nur al-Din Mahmoud bin Imad al-Din Zangi in the year ( 569 AH / 1174 AD) on the one hand and Salah al-Din al-Ayyubi from another side, with the aim of uniting the Arab Islamic Front by Salah al-Din to Mosul three times between the year (578 AH -581 AH / 1182-1185 AD), and one of its results was the approval of Izz al-Din Masoud I ibn Qutb al-Din The owner of Mosul is willing to take part in the jihad that the leaders of Salahuddin have in confronting the invaders