Answer:
The Chinese were the only ones who knew how to make it. ... The Silk Road split into a northern and southern route. ... The great wall offered some protection to travelers between what two cities? Chang'an and Dunhuang. A traveler going from Dunhuang to Kashgar on the northern route of the Silk Road might see the ...
Explanation:
Yes, because that was when they started thinking in a different light instead of listening to just what they were told.
