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During the cold war, the Berlin Wall kept people from crossing from East Berlin (or from East Germany) into West Berlin. But what kept people from easily crossing from East Germany into West Germany?
The Inner German border was similar to the Berlin Wall and extended 866 miles from border to border from 1949 to 1990 when the Berlin Wall (and the Inner German border) fell.
it was made one of the world's most heavily fortified areas during those years, had line of high metal fences and walls, barbed wire, alarms, anti-vehicle ditches, watchtowers, automatic booby traps and minefields. Over 50,000 troops patrolled the 866 mile long border.
Experience: M.A., M.S. Education / Educational Administration
Thanks. It's interesting that no one ever mentions this when it comes to the U.S.-Mexico border debates, probably out of political correctness. Of course, they are very different situations, but the basic order-of-magnitude cost estimate makes it worth mentioning!