Changes

[[File:United States Southern border fence, Arizona.jpg|thumb|250px|U.S.–Mexico border, specifically at the border of [[Arizona]]]]

[[File:United States Southern border fence, Arizona.jpg|thumb|250px|U.S.–Mexico border, specifically at the border of [[Arizona]]]]

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> Among the benefits of border security, lands along the border are safe and the quality of parks along the border is increased.<ref>Dinan, Stephen (October 1, 2017). [http://www.washingtontimes.com/news/2017/oct/1/border-security-protects-national-park-service-lan/ Successful border enforcement saves habitat, visitor security on National Park Service land]. ''The Washington Times''. Retrieved October 2, 2017.</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> Among the benefits of border security, lands along the border are safe and the quality of parks along the border is increased.<ref>Dinan, Stephen (October 1, 2017). [http://www.washingtontimes.com/news/2017/oct/1/border-security-protects-national-park-service-lan/ Successful border enforcement saves habitat, visitor security on National Park Service land]. ''The Washington Times''. Retrieved October 2, 2017.</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".