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TSR Wiki > Study Help > Subjects and Revision > Revision Notes > History > Natural Barriers

• Natural barriers seen as obstacles preventing adequate action. Only strategy he can think of is preventative or retaliatory – De rebes bellicus

• Pliny shows similar attitude to natural barriers – no barbarian King will be defended against Trajan by “by the sea in between, by immense rivers or steep mountains”

• PE

• Persians could cross rivers easily – Procopius suggests Kurso could cross the Euphrates with 100 thousand med. Can be used as a barrier, but not that effective.

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