Why was the wall of china built, when and where is it located.

pleas give a clear and true statement.

The Great Wall of China was built to protect China from its enemies and invaders from the North, especially the Mongols (Mongols were a tribal group that would regularly conduct raids into China) the Great Wall of China was built in the 7th century BC and is located in Huairou District, China! Hope this helps

Answerseafloor spreading;

answer is. c