The danger of Great Britain being destroyed by a swift, overwhelming blow has for the time being greatly receded. In its place there is a long, gradually maturing danger, less sudden and less spectacular, but equally deadly. . . . Unless we can establish our ability to feed this island, to import the munitions of all kinds which we need . . . we may fall by the way, and the time needed by the United States to complete her defensive preparations may not be forthcoming.
— Winston Churchill to Franklin Roosevelt, December 8, 1940






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