How Monopoly games saved POWs

"During World War II, the British secret service hatched a master plan to smuggle escape gear to captured Allied soldiers inside Germany. Their secret weapon? Monopoly boxes. The original notion was simple enough: Find a way to sneak useful items into prison camps in an unassuming form. But the idea to use Monopoly came from a series of happy coincidences, all of which started with maps."

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