The Country that shares the southern Border with the US is Canada.
Only one nation shares a common border with the USA's southern border: Mexico.
Country that shares myanmar's southern border?
Canada shares Montana's northern border.
Germany shares a border with the Rhine islands.
Japan is an island nation that shares a border with Russia. The two countries are connected by four islands in the Kuril chain, known as the Northern Territories in Japan and the Southern Kurils in Russia.
Finland
Thailand!
The capital city of the state that shares its long southern border with Texas is Mexico City, Mexico.
Cameroon shares its southern border with Equatorial Guinea and Gabon.
The Red River forms most of Oklahoma's southern border with Texas east of the panhandle. It is also known as the Red River of the South.
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