Here Are All The Countries That Have Sealed Themselves Off From Their Neighbors

An infographic from The Economist shows which countries have constructed fences along their borders over history and why.

This week, Hungary completed construction of a fence along its Serbian border to keep out refugees trying to enter the European Union, a move that has sparked controversy worldwide. Opponents argue the fence not only shows a lack of compassion for people fleeing war and persecution, but that it also violates E.U. laws. On Wednesday, Hungarian police unleashed tear gas and pepper spray against hundreds of asylum-seekers trying to break through the fence.

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