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The European Union is undergoing a period of extreme transformation if not collapse, but far from it all being doom and gloom new avenues for international cooperation are opening up. One pact which seemed firmly consigned to the history books as recently as five years ago suddenly looks like a good idea again. I am referring to the Polish-Lithuanian Commonwealth, originally created over six hundred years ago to counter the threat of a rogue "crusader" state of Teutonic Knights based on the Southern Baltic coast.