Roman farmers were able to raise a wide variety of crops, including wheat and olives, on the fertile soil of the Po and Tiber River Valleys. Due to this, the empire had an abundance of food to both feed its people and trade with other civilizations. The accompanying money was also utilised by the empire to strengthen its armed forces.
How were the frontiers of the Roman Empire managed?
The Roman Empire's borders, which changed over the course of its existence, were really a combination of fortifications, natural borders (most notably the Rhine and Danube rivers), and man-made fortifications that divided the empire's regions from those outside it.
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