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A '''border''' is an [[edge]] or [[boundary]], most frequently of a [[country]]. The longest border between two countries is the [[United States]]-[[Canada]] border. They can be very complex with [[enclaves]] and [[exclaves]], such as the India-[[Bangladesh]] border. Border disputes can simmer for decades, e.g. the [[Kashmir]] region divided between [[Pakistan]] and [[India]].  

A '''border''' is an [[edge]] or [[boundary]], most frequently of a [[country]]. The longest border between two countries is the [[United States]]-[[Canada]] border. They can be very complex with [[enclaves]] and [[exclaves]], such as the India-[[Bangladesh]] border. Border disputes can simmer for decades, e.g. the [[Kashmir]] region divided between [[Pakistan]] and [[India]].  

The [[Armenia]]-[[Turkey]] border is an example of a closed border. 65 countries have built a wall on (some of) their borders. The best known walls are on the [[Israel]]-[[Palestine]] border, and on the United States-[[Mexico]] border (partially built at the moment).<ref>http://www.dailymail.co.uk/news/article-3205724/How-65-countries-erected-security-walls-borders.html</ref>  

The [[Armenia]]-[[Turkey]] border is an example of a closed border. 65 countries have built a wall on (some of) their borders. The best-known walls are on the [[Israel]]-[[Palestine]] border, and on the United States-[[Mexico]] border (partially built at the moment).<ref>http://www.dailymail.co.uk/news/article-3205724/How-65-countries-erected-security-walls-borders.html</ref>  

Another phenomenon is open borders, where a number of countries agree to give full access to civilians and goods of other member states to enter their territory, e.g. the [[European Union]]. [[Donald Trump]] famously remarked that "A nation without borders isn't a nation".  

Another phenomenon is open borders, where a number of countries agree to give full access to civilians and goods of other member states to enter their territory, e.g. the [[European Union]]. [[Donald Trump]] famously remarked that "A nation without borders isn't a nation".

 

== References ==

== References ==

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[[Category:Geography]]

[[Category:Geography]]