Civilization 5 will bring us the biggest change to the game since the beginning of the series. Since Civ2 the "stack of doom" has been haunting the series. While the original Civilization had the most effective way to deal with this problem (When the first unit of the stack got attacked, and lost, all units of the stack were gone, unless they were in a fortress). Despite the collateral damage introduced with Civ4, stacks of doom remained of major importance. Especially when the stack included some
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