The physical feature that forms Uruguay's western boundary with Argentina is the Uruguay River. It also forms part of the Brazilian-Argentine border.
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British territory surrounded the globe. there was no western boundary.
The Appalachian Mountains marked the western boundary of British claims.
There was one major geographic feature that formed the Western boundary of the 13 colonies. This boundary feature was the Appalachian Mountains.
The Appalachian Mountains became the western boundary of the British colonies.
The Sahara desert is the ONLY physical feature in the country.
The river, Rio Uruguay, borders Uruguay's western border.
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It is the plains.
Mississippi River
The Mississippi river was the border.