To know Rome well you must go elsewhere. This would not be true of Greece, ruled by individualism; but Rome with her tenacious traditions, her pervasive and reconstructive imperialism, her unalterable plan of stamping her impress wherever she set foot, Rome both mirrored the cities from which she sprang and was mirrored in each of her colonies. The early cities of Latium and Etruria with which she was surrounded not only furnished the elements out of which her civilization was constituted but for several centuries developed along parallel lines with her, and kept in touch with her, so that we can logically turn to their ruins to fill in the gaps in Rome itself and to recreate the atmosphere of the drama of early Roman history. Then, even closer was the unity of her colonial system: in each colony the sacred pomerium line around town and territory, the laws and organization, the memorial arch, the forum and Capitoline temple, reproduced the archetypes of the mother city. Even her seven hills, her four regions, the . . .