Prairie, Great Wall, Scourge of God
In this episode, we will focus on the relationship of ecoclimate, resource allocation and political wars. During the late 12th and early 13th centuries, global warming changed everything.
Persistent droughts brought about the extinction of most plants on the grassland which drove the Mongols to move. Young Genghis Khan successfully unified the tribes and finally established a trans-Eurasian empire.
Wars and disasters happened in this period stimulated the migration and flow of the population and in this way laid a foundation for the current Eurasian political map. In the long term of agricultural civilization, the aggravation of eco-environment resulted in the competition for natural resources.