here:
former secretary of defense Richard B. Cheney was choosen as the Republican nominee for video president in 2000
Two European empires were dismantled.
This naturally led to the diffusion of multiple inventions, both those of the Mongols and those ideas the Mongols usurped from cultures they conquered. While the Mongols profited from the trade of silk and tea from China to Europe, they also spread the Chinese inventions of printing and paper.
Many different groups helped in the building of the Korean Wall.
