Which statements best describe the artistic and political achievements of China's Ming Dynasty?
a. They moved the capital to the south, hired Mongols as government workers, and became known for agricultural exports.
b. They moved the capital to the north, reinstated their civil service to organize their government, and became known for their luxury goods like porcelain vases, silk, and artwork.
c. They forced peasants to stop working in the fields to act as guards for the emperor and paint porcelain for trade with other countries.
d. They made the Silk Road safe.
