WORLD HISTORY

Detailed explanation-1: -By 1205 he had vanquished all rivals, including his former best friend Jamuka. The following year, he called a meeting of representatives from every part of the territory and established a nation similar in size to modern Mongolia.

Detailed explanation-2: -Having spent the majority of his life uniting the Mongol tribes, he launched a series of military campaigns which conquered large parts of China and Central Asia.

Detailed explanation-3: -The Mongol Empire emerged from the unification of several nomadic tribes in the Mongol homeland under the leadership of Temüjin, known by the more famous title of Genghis Khan ( c. 1162–1227), whom a council proclaimed as the ruler of all Mongols in 1206.