What was a major difference between the trans-Siberian trade routes and the
Silk Road?

A. The trans-Siberian trades routes were primarily based over land,
while the Silk Road was based over both land and sea.

B. The trans-Siberian trade routes restricted trade to within Africa,
while the Silk Road restricted trade to within Asia

C. The trans-Siberian trade routes primarily traded salt, while salt was
not available to be traded on the Silk Road,

D. The trans-Siberian trade routes were based over both land and
sea, while the Silk Road was primarily based over land.