Answer:
Genghis Khan, born Temujin around May 31, 1162, established the Mongol Empire in 1206, which became the largest entirely connected (contiguous) empire in history. It occupied approximately 22% of all land on Earth. Mongolia remains heavily nomadic, with approximately 30% of Mongolians being classified as nomads.
450-900 is the answer I think
- proved that articles of confederation too weak because they couldn't collect taxes to raise army
- people began calling for stronger govt and Constitution was created
The Tang and Song rule is described to be the reunification and renaissance in Chinese civilization mostly due to the fact of military advancements, rapid expansion, the Civil Service Exams and taxation methods that developed over time. Li Yuan, Duke of Tang, established the golden age of Tang because of his rapid expansion and strong Chinese bureaucracy. The Civil Service exams created opportunities for families to raise their rank in the social and political hierarchy. The Song dynasty valued scholars over military, making them weak to invaders yet highly cultural and innovative.