Which of the following best describes the economic legacy of the Han Dynasty on China ? (1 point )
A.The Han Dynasty helped protect the Silk Road, leading to more trade across Eurasia .
B.The Han Dynasty defeated the stepped nomads to their north, which provided safety for people living in the steppes.
C.The Han Dynasty did not have a substantial economic legacy
D.The Han Dynasty constructed the Grand Canal, leading to more trade between east and west China.