Jeremiah Curtin 
Mongols A History [EPUB ebook] 

This book is a detailed account of the political affairs of the Mongol Empire and its immense impact on geopolitics and the shape of global power. Primarily covering the Mongol Empire wars with the empires of Persia, Islam, China, and its internal struggles and feuds. The reason and results of the slaughters that took place. The strategies that were used. The betrayals and acts of revenge. The tools used for war. Regions conquered by the Mongols had their trade stabilized as the Mongols provided protection and law. The empire had a semi-democratic republic, but not always recognized by blood kin of former Khans whom were their leaders. Originally nomadic tribes, whose identity is bound to tribal politics, but united they became a powerful force whose opponents underestimated them at their own peril. (Goodreads)