The Geographic Site of Rome Has Many Advantages,including

The geographic site of Rome has many advantages,including:

A) a large harbor suitable as home base for a fleet.
B) a river too broad for enemy forces to cross easily.
C) hills that increase the defensibility of the city.
D) ample supplies of essential materials, including wood, pitch, coal, and iron ore.
E) large fertile plains suitable to the agriculture need to sustain a large population.