Question

The great wall of china had a system that at every distance of about 100-200m there must be a

Answer 1

Answer:

1. in China a 10000-23456000

Answer 2

The first complete Great Wall was joined together around 221 BC, and is believed to have been built over a period of about 20 years.

Explanation:

• The Qins are joined together and are already extended walls that were built by earlier kingdoms.
• The history of the Great Wall of China began when fortifications built by various states during the Spring and Autumn (771–476 BC) and Warring States period (475–221 BC) were linked to Qin Shi Huang, the first emperor of China. Was. Defend your newly established Qin dynasty (221–206 BC) against incursions by nomads from Inner Asia.
• The walls were built of bound earth, constructed using forced labor, and were carried from Gansu to the coast of southern Manchuria by 212 BC.