How did Britain's naval strength, coupled with the beginnings of the industrial revolution, lead to the establishment of a strong global empire ... helped redraw the map of the world.

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Traditionally, Roman society was extremely rigid. By the first century, however, the need for capable men to run Rome’s vast empire was slowly eroding the old social barriers. The social ...

What’s more, the empire started through violence and depended on force. Emperors could only survive if their people believed they could outgun anyone and everyone else. If an army grew ...