Julius Ceaser and Emperor Augustus understood the importance of an expansive road network as an essential factor in the success and reign of the Roman Empire.
As such, the Romans built an extensive system of roads that spanned over 400,000 km across their vast territories, which included Europe, North Africa, and the Middle East. The roads ended up being a great facilitator in the movement of their armies, promotion of their trade and commerce, and the spread of their culture.