Answer:
The invention of the steamboat
Explanation:
Their speed and ability to travel against the current reduced the time and expense of shipping..Hope this helps!
Answer:
Because they cannot accurately project them and there is always distortion.
Explanation:
A feature such as the shape of a place cannot be accurately projected or represented on a map because of the problem of distortion and a cartographer has to decide what type of map he is making so he can make the details of the map as accurate as possible.
