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I don't see the diagram so what you have to do is add an picture to this post
Because the war was wide spread and there was a need to supply millions of soldiers and sailors with the materials and machines they needed to fight. This was a true world war with fighting going on in much of the world .
As an example: the war in Europe might have lasted a year or two longer if it had not been for the ability of American to quickly produce all of the landing craft needed for the D-Day invasion.
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Structural unemployment... I tried sorry if its wrong
Explanation: