a connection between two landmasses, especially a prehistoric one that allowed humans and animals to colonize new territory before being cut off by the sea.
The flow of oil from the region's oil fields.
<span>The interaction between imperial china and central Asian nomads change after 1100 CE. This was the blooming of China's civilization and its venture into the political world and inevitably expanding its territories to Central Asia. In return, China became the center point for politics and economy on that era.</span>