The harnessing of electricity radically transformed American business since this meant that power from electricity could power lightbulbs, which were far more effective than candles and other sources, and that electricity could be used to power machines that increased efficiency.
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In the United States, the purpose of the War Production Board (WPB) was to "<span>oversee the conversion of peacetime industry to war industry," since many private business were helping the war effort by producing goods, and the effort needed to be coordinated. </span>
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