The two excerpts that best identify the main ideas of the article are the excerpts presented in options C and D, as they show how the American industry had a great relevance during the Second World War.
We can get the answer because:
With that, we can affirm that the article highlights the importance of the American industry not only for the war, but also for the economy.
This question is from the article "How American Industry Won World War II."
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https://brainly.com/question/25399305?referrer=searchResults