What is the connection between the walls and theXiongnu?

zheng he was a chinese explorer who lead seven great voyages on behalf of the chinese emperor. his seven total voyages were diplomatic, military, and trading ventures, and lasted from 1405 – 1433. however, most historians agree their main purpose was to promote the glory of ming dynasty china.

explanation:

mycah better run, its an android.

hmm.. that's be opened free elementary school for young boys who showed artistic potential. closed rome to outsiders to protect its unique style and methods of producing art. and employed scribes to copy latin and greek texts.