Country Borders

Use the new outline map style "CountryBorders".

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GeoGraphics["World", GeoBackground -> "CountryBorders"]

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The country borders can also be given at other times. This is part of North America in 1803, just before the Louisiana Purchase.

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GeoGraphics[ GeoRange -> {Entity["Country", "UnitedStates"], Entity["Country", "Mexico"]}, GeoGridLines -> Automatic, GeoBackground -> Dated["CountryBorders", 1803]]

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The "CountryBorders" map style can be combined with other GeoGraphics elements, and its basic directives can be modified.

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GeoGraphics[{Red, GeoPath["Equator"]}, GeoCenter -> {90, 0}, GeoGridLines -> Automatic, GeoGridLinesStyle -> LightYellow, GeoBackground -> {"CountryBorders", "Land" -> Gray, "Ocean" -> Black, "Border" -> White}, GeoProjection -> "LambertAzimuthal"]

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