Answer: D. Its huge army in rome
Answer:
In modern Western societies, social stratification is typically defined in terms of three social classes: the upper class, the middle class, and the lower class; in turn, each class can be subdivided into the upper-stratum, the middle-stratum, and the lower stratum.
This is called a "map legend" or a "map key". It's usually located on the side or on the bottom, whether some space is available and it lists the symbols used in the map along with their meaning.