Religion was incorporated within the empire along with may other things which is one of the reasons it was so successful for so long.
In other words it's because they were tolerant of other religions (answer B).
The burgess and Hoyt models both try to understand urban land use. Both models have the same assumptions (e.g all land is flat, the importance of centrality, and etc).
The answer to the question is a. rainforest
1. Title - the heading of a map
2. Compass Rose - a part of a map that shows the cardinal directions/other directions
3. Key - a part of a map used to define symbols on the map
4. Grid - the set of lines that show coordinates on a map
5. Scale - the part of the map used to show how big it is in actual size