During the war, the United States shipped about 7.5 million tons of supplies to France to support the Allied effort. That included 70,000 horses or mules as well as nearly 50,000 trucks, 27,000 freight cars, and 1,800 locomotives.

Hello Girls was the colloquial name for American bilingual female switchboard operators in World War I, formally known as the Signal Corps Female Telephone Operators Unit. This corps were formed in 1917 from a call by General John J. Pershing to improve communications on the Western front. Applicants had to be bilingual in English and French. Over 7,000 women applied, but only 450 were accepted.