Pennsylvania, New Jersey and the lower half of New England are not the U. S. But the first two with their steel mills, coal mines, munitions works, the other with its brass industry, machine shops and airplane-engine factories, play a vital part in U. S. industrial defense. If the industrial plants, railroads and highways of these regions should be progressively destroyed by systematic bombing, or if they should be seized by an invading army, any war effort of the U. S. thereafter would be crippled. The Midlands of England—which TIME maps on the...
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