The most correct path in knowing the conditions of the kingdoms

This book is like a tour of the kingdoms of Europe throughout the history of each country, and the author of the book cites the opinion of Ibn Khaldun in his introduction: Injustice heralds the ruin of civilization, whatever it may be and whatever human souls are made to do. Unleashing the hands of kings brought injustice of all kinds, and it befell the kingdoms of Europe in that period. The centuries when their kings were tyrannical with absolute control over the servants of God, without being bound by a rational law because it conflicted with their desires, and without legitimacy because it did not exist in The Christian religion, which is based on celibacy and asceticism in this world... and some of their kingdoms were on the verge of decline and the loss of independence only due to their misbehavior resulting from their free hands and the good conduct of their neighbors at that time from the Islamic nation, resulting from their rulers' adherence to the laws of Sharia related to religious and worldly matters, of which one of their origins is What is preserved is to remove the servant from his desires, protect the rights of the servants, whether they are among the people of Islam or others, consider the interests appropriate to the time and situation, and give precedence to warding off evil over Bringing interests and committing the lesser of the two necessary harms, one of which is...