Which was not a key achievement of the Ming Dynasty?

the rebuilding of the Great Wall

At that time, the Chinese citizens had to face constant threats from the barbarian that resided on the northern part of their territory.The previously built wall was not strong enough and able to be destroyed by the invaders. Ming Dynasty took the credit of rebuilding and strengthening the structure of the great wall.

hola,

i hate my life too. (like jayfeather hates his blindness x3)

religion was the center of there society they practiced human sacrifices and which they believed kept there god strong and that he would keep bad guys away hope this