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Relationships
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GeopoliticalArea |
Any GeographicArea which is associated with some sort of political structure. This class includes LandArea, Cities, districts of cities, counties, etc. Note that the identity of a GeopoliticalArea may remain constant after a change in borders.
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LandArea |
An area which is predominantly solid ground, e.g. a Nation, a mountain, a desert, etc. Note that a LandArea may contain some relatively small WaterAreas. For example, Australia is a LandArea even though it contains various rivers and lakes.
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美國國家 | The class of states that make up the UnitedStates. |