Question

What is the Roman Empire surrounding and bordered by in several areas ? How did it help the Empire spread ?
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Answer 1

Answer:

The borders of the Roman Empire, which fluctuated throughout the empire's history, were a combination of natural frontiers (the Rhine and Danube rivers to the north and east, the Atlantic to the west, and deserts to the south) and man-made fortifications which separated the lands of the empire from the "barbarian" .

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