Why was the great wall of china built?

The Great Wall of China was not built all at one time. It was the state Chu who first built the wall. It was during the Qin Dynasty that the kingdom of Qin united the different parts into one empire. To defend off the invasions from northern invaders, Emperor Qin Shi Huang had all the walls joined up. read more

The Great Wall was built by a labor force including soldiers, common people and criminals. A duke of Chu State in the Spring and Autumn Period (770BC-276BC) was the first one commanding the building of the wall to prevent the invasions from other states. read more

The Great Wall of China is a series of fortifications made of stone, brick, tamped earth, wood, and other materials, generally built along an east-to-west line across the historical northern borders of China to protect the Chinese states and empires against the raids and invasions of the various nomadic groups of the Eurasian Steppe with an eye to expansion. read more

The Great Wall of China was not built all at one time. In 7th and 8th century BC, battles happened frequently among the states of the Spring-Autumn and Warring States dynasty and in order to defend themselves they began to built walls and towers on the borders. read more