Answer:
to find flat areas of land for building
Explanation:
Topography maps give an important indication road maps don't: the elevation of the terrain.
If you want to construct a mall, that's a large building, you need to find large patch of flat land, or at least one that is easy to flatten out.
You will need flat land not only for your mall, but also for the parking lot.
So, a topography map will give you the levels indications you need... and your engineers and architects will also work closely with topography maps on this project.
Surprisingly, there are 196 countries today! hope this helped
Ir is the third opinion, 100km area
If the region rises in population it will most likely cause a bigger scarcity in water, which may lead to a drought. A drought can ruin crops and leave land dry.
