Chapter 4

Dry docks were constructed in the ______________ century?

Asked by poormanreading on 21 Apr 20:07

Last updated by Jill W on 08 Jun 23:09

Answered by Jill W on 08 Jun 23:09

According to the text, dry-docks were established in the 10th century.

When China Ruled the Seas: The Treasure Fleet of the Dragon Throne, 1405-1433