Answer:
b. the rocky shoreline created natural harbors
Step-by-step explanation:
- The presence of the rocky landmasses and the easy access to the coastal lands facilitated the environment for the development of the natural harbors.
- The art of shipbuilding was known to the tribal people of these lands and thus the presence of the due resources gave the shipbuilding as a major industrial stage.
- Present-day shipbuilding is done in China and the Japanese heavy industries. Thus the dominance of the natural harbors and abundant supply of the resource and the age of exploration and the discovery of the sea made trade made the rapid transformation of the shipbuilding industry.