Introduction of Ibn Khaldun - the second part of the most frequently discussed parts. The section is concerned with a simple explanation that reveals to us the initial vision that pushed Ibn Khaldun to lay the foundation stone for his introduction, as the fourteenth century for Ibn Khaldun and his contemporaries was the letter of the abyss and revealed its perfection and political, social and cultural stability in view of the exit Al-Andalus from Islamic control and civilization disintegration in North Africa, due to the disparity witnessed by civilization there, in levels of development, stagnation, disintegration and cohesion in conjunction with Islamic and European countries and territories, China, India, and others, where their era witnessed the fall of other countries, civilizations, and other states. Explaining the most prominent reasons for his concern that (the world in its time revives a transition of civilization from the south to the north), Ibn Khaldun as a witness of his time sees the Islamic West (his birthplace) swinging between the periods of Andalusian and Western prosperity under the rule of the Umayyads, Almohads and Almoravid