And the greatest danger here of course is that unlike the Cold War, unlike World War II, this is not a war that has a clean ending, so you cannot set a point at which we would demobilize and therefore get rid of some of this apparatus.

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This catalogue of operations from the Second World War through the Cold War has been welcomed as a chance to display to the world how America's spies have spent the billions of dollars allocated to them.

BBC: Museum entrance

This was true for the Allies after World War I, for the United States during the Cold War and for Israel after signing the peace treaty with Egypt.

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Parts of the world, most notably Eastern Europe, experienced below-average to extreme cold temperatures this winter.

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