Answer:
Large bodies of water(Streams, Oceans, lakes, etc)
Flatland
Explanation:
Water allows for easy travel goods can be shipped on boats much faster than by cart on land. However flat land tends to have more railroads which are another fast means of transportation.
Answer:
Alright.
Explanation:
<em>'2D and 3D refer to the actual dimensions in a computer workspace. 2D is "flat", using the horizontal and vertical (X and Y) dimensions, the image has only two dimensions and if turned to the side becomes a line. 3D adds the depth (Z) dimension.'</em>
Basically, 2D maps are flat (like paper), and 3D maps are not (like a globe).
Mountains are the physical feature that have separated ethnic groups from each other in the Balkans.