Many more countries have coastlines that also only share a land border with one other country, with 12 making the list according to the Correlates of War Direct Contiguity. In Asia, Brunei borders ...

Belgium has an open border with fellow Schengen countries Germany along its Eastern border, and Spain which does not share a border, but not with Russia, which is a non-Schengen country.

the timing points to the the Trump administration's executive orders regarding immigration and the tightening of border policies. Many of the European countries that have issued US travel warnings ...