Which of these would have most benefitted the economy of the song dynasty?

a. the silk roads

b. the great wall

c. trans-saharan trade routes

d. trans-atlantic trade routes eliminate?

A. The Silk Roads benefited the song dynasty 's economy the most as it expanded its international market presence substantially and made China a global economic powerhouse of spices and fabrics. This trade route was a spark to the idea of globalization and the Silk Road and its significance is still talked about in schools today.