The Sui, Tang and Song Dynasties
Why was there agricultural, technological, and commercial progress during this time?
The Middle Kingdom
China was in isolation from the rest of the world because of the mountains surrounding it.  China in Chinese was "The Middle Kingdom" because it truly thought it was in the center of the universe.  As you go through this journey, remember the different terrains that China went through as its civilization spread.




This is the Heavenly Temple in Beijing, thought to be in the center of the universe.



The Great Wall of China.  It was used to keep invaders away.



An example of China’s many mountains and waterways.