Respuesta :
The answer is; B.
This great wall of China built along the northern borders of China to act as a barrier to invasion by Eurasian nomadic groups. The wall was constructed in 220–206 BC by the first emperor of China and modified and reinforced by later dynasties. It extends to approximately 21,000km in length.
The option that best describes the significance of the great wall in the history of China is B. It prevented any raiders or invaders from ever entering into China.
The Great Wall of China is an ancient series of walls and fortifications, accounting for more than 13,000 miles in length, located in northern China.
The Great Wall was created under rule of Emperor Qin Shi Huang in the third century B.C. in an attempt to avert incursions from barbarian nomads.