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.
Beyond his military accomplishments, Genghis Khan also advanced the Mongol Empire in other ways. He decreed the adoption of the Uyghur script as the Mongol Empire's writing system. He also practised meritocracy and encouraged religious tolerance in the Mongol Empire, unifying the nomadic tribes of Northeast Asia.
I believe that they used higher tec on the dry soil, it became a problem where the air had so much dirt in it that the dust bowl hapend. this is what i learned, hopefully this helps
Athens government emphasized individuality and responsibility. The Assembly was a Council of 500. It had Direct Democracy and Ostracism. The politicians were exiled if they had a name on 6000 ostraca.