What did the new dynasty do differently with the great wall of china

Built over Four Periods of Time. After the demise of the Qin Dynasty (221BC-207BC), the Han Dynasty was established. It was a unified regime, but was still threatened by the northern Huns. ... At the same time, the Great Wall was erected along the northern borders over four periods of time.

after the roman empire fell, some of its cultural achievements lasted for some time and others were lost. lost achievements include architecture , coins, and literacy. however, several things remained, such as the language. people may not have spoken this language in every city, but it influenced the languages they did speak. they also created the julian , which was commonly used until the eighteenth century.