What was the original purpose of the great wall of china?

a. to serve as protection from intruders
b. to keep chinese civilians from leaving the empire
c. to protect from flooding waters of the yangzi river
d. to serve as a monument to rulers of the qin dynasty

Ask your question to the AI advisor

Ai-bot is an expert in any field and is the perfect companion for reliable and useful answers and advice on a variety of topics, including science, history, technology, art, sports, health, culture and more.