Question

What innovations assisted the Song in maritime navigation?

Answer 1

Answer:

So one of the other major developments in the Song Dynasty was the rapid expansion of the canal and of the waterway system, which was particularly true in the southeast and southern parts of China. To move goods from place to place in the open seas the Song developed the mariner's compass.

Answer 2

Answer:

      So one of the other major developments in the Song Dynasty was the rapid expansion of the canal and of the waterway system, which was particularly true in the southeast and southern parts of China. To move goods from place to place in the open seas the Song developed the mariner's compass