The facts of location do not change. The significant of such facts changes with every shift in the means of communication, in routes of communication… - Nicholas John Spykman

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The facts of location do not change. The significant of such facts changes with every shift in the means of communication, in routes of communication, in the technique of war, and in the centers of world power, and the full meaning of a given location can be obtained only by considering the specific area in relations to two systems of reference: a geographic system of reference from which we derive the facts of location, and a historical system of reference by which we evaluate those facts.