Finding new routes to places would allow for faster trading. This had a few advantages. The less time voyage took, the less expensive it was. It also meant a quicker turn around, and less spoilage of certain goods
Answer:
1
Explanation:
The rest are wrong b/c it helped <em>expand</em> China rather than isolate it, they didn't use ships on the Silk Road, and it brought better communications, etc. between countries.
There is really nothing to know. All you have to use is context clues and common sense. We know some synonyms for direct are manage and handle. Indirect means not direct, right? And we can't handle or manage earth's interior (core), right? Therefore, the study of earth's interior is an example of indirect observation because we cannot directly manage it.
Because with maps they knew where to go , without them they will be lost