The great wall is a marvel of engineering and triumph of human ingenuity, but the verdict is out on how well it.
Why Did China Build The Great Wall. Qin connected, lengthened and fortified the walls to protect the northern border between. The great wall of china was built 2,200 years ago out of military necessity:
Why did the world allow China to build the Great Wall to ... from qph.fs.quoracdn.net
In fact, it began as independent walls for different states when it was first built, and did not become the great wall until the qin dynasty. The chinese built the great wall to prevent them from entering and conquering china. Historically, china is not the only country to build a wall along its borders, other countries including korea, the roman empire, athens, and denmark built walls.
Originally made up of shorter walls between factions, the the defenders could shoot arrows and cannon at enemies from the great wall, which was cleverly designed with small holes in the walls for defense.
The great wall is the longest wall and consists of many sections. The great wall is the longest wall and consists of many sections. As a military defense, that wall and fortress can be traced back to the later period of primitive commune. Many thousands of people were involved in the building of the wall.