Yes, The Huns did
No.
Yes to tell when every hour passed.
Yes the Mongolians wanted in and could not get around the wall.
who knows? anyone?? i need an answer n i was bored...
The Great Wall of China is on the continent of Asia.
The Great Wall is in China.
The Great Wall is in China.
The great wall is located in China.
Great Wall of China.
Yes. China built it to slow down the Mongols advance when they were attacking. This was successful.
The great wall of china is there to protect the country. ^.^
china only that is why it is called the great wall of CHINA!