it was used to keep out invaders
indead it did affected trading
they affect it by protecting their dynasties and people
europe gained more tourists because people couldn't cross the great wall
The Great Wall of China is on the continent of Asia.
The Great Wall is in China.
The great wall is located in China.
The Great Wall is in China.
Great Wall of China.
The great wall of china is there to protect the country. ^.^
china only that is why it is called the great wall of CHINA!
What were the acheivments of the Great Wall of china
The Great Wall of China