the Silk Road

China's Grand Canal
printing factories
strong iron industry

These factors enabled the Song dynasty to have
A.
the money to build academies.
B.
more time to focus on the arts.
C.
a strong army and navy.
D.
growth in commerce and trade.

1 answer

The factors listed, such as the Silk Road, China's Grand Canal, printing factories, and a strong iron industry, primarily contributed to the economic development and trade during the Song dynasty. Therefore, the correct answer is:

D. growth in commerce and trade.