What walls in history can tell us about the fight over Trump's border barrier 

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Politics

What walls in history can tell us about the fight over Trump's border barrier 

A wall, in its most basic form, is a physical barrier. In isolation, it's not political.

A wall can keep people out or hold people in and almost always creates some sort of divide. In China it was an ancient defense system and that became a national landmark. In Berlin, it was an infamous blockade, and in America it's an emblem of a fiery, divisive, political debate. So how will this time be remembered in history, if at all?

Watch the video above to learn what history can tell us about the U.S.-Mexico border today.