Since then the Great Wall was built, rebuilt to protect the northern borders of the Chinese Empire from the Hun's and Mongolian attacks during the rule of successive dynasties.
Answer:
Preservation
Explanation:
They preserved much classical text(Not their own but Roman and Greek). They introduced the Arabic number system
I think the correct answer from the choices listed above is option B. Funerary art is a type of art reflected the belief that the dead could continue to enjoy their favorite activities. Hope this answers the question. Have a nice day. Feel free to ask more questions.
I'm pretty sure the answer is D :)