They didn't have to. There were also lots of natural barriers.
also, they dont have to because their are no threatening tribes to the east and south of china. but there is some powerful ones to the north
Where: china When: around 221 BC
Yes.
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.
some where around the wall
The Great Wall of China isn't totally around China. In fact, it isn't around China at all! It's located within China and was built longer and longer by workers over time to defend their emperors from war and enemies long ago.
china only that is why it is called the great wall of CHINA!
The Great Wall of China was built to keep out those who were at war with China in about some time period, maybe around 350 B.C.E.
The Great Wall of China
What were the acheivments of the Great Wall of china