Seventy years ago the U.S. was transitioning from an epic financial crisis — one that brought high unemployment, plunging farm profits and lost opportunities — to one of the world's deadliest and most destructive wars.
We've written about the Library of Congress' incredible collection of color photos from the early 1940s before. We decided to take another look, this time highlighting how the country mobilized for World War II.
Industry was humming with the help of this carbon black plant worker in Sunray, Texas
Men and women prepared for jobs in the Army by learning things like how to create camouflage maps based on aerial photographs
Trains needed to run then more than ever and the "hump master" at the Chicago railroad yard controlled movements of locomotives from his post at the hump office
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