Why Was the Great Wall of China Built? — Not Just for Defense

Over 2300 years, the Great Wall has been built and rebuilt for many purposes: border defense, signals, troop transfer, and trade. It has now become a national symbol and China’s top tourist sight.

Was the Great Wall of China actually used as a defensive structure or more, as regulation of trade and movement of people, like Hadrian's Wall? It isn't that high, and considering it's

17 Facts About the Great Wall of China You Should Know

Was the Great Wall of China an effective deterrent to outside threat? - Quora

Walking the Great Wall of China How Long Would it Take? Is it Even Possible? - Bucket List HQ

Building the Great Wall - Association for Asian Studies

Ancient Chinese Buildings Are Held Together With Rice, Sugar, and Blood - Gastro Obscura

The Great Wall Of China Wasn't Built To Stave Off Genghis Khan's Armies

The Great Wall of China & the Silk Road

Visiting the China Great Wall: All you need to know

Military Defense System of China Great Wall