100 Years Later: Popular Mechanics' Coverage of World War I

Four days after President Woodrow Wilson called for a special session of Congress in early April 1917, the U.S. officially declared war against the German Empire, becoming an associated power with the Allied Forces and entering into one of the bloodiest conflicts to ever grip Europe. It would still take more than two months for the first troops to arrive in the fields of France, but the U.S. had finally chosen a side.
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