Those U.S. trucks and armored cars pictured in the attached VANITY FAIR article were not created specifically for the First World War, but no doubt they were sold to the French and British armies; a year later these trucks arrived with the A.E.F..
Recognizing the importance of armored vehicles, a group of American Millionaires, among them Henry Clay Frick (1849-1919), pooled their money and donated a number of such items to the New York National Guard. Vanity Fair Magazine followed this story and produced this article as it developed with a thorough review of each of the donated military vehicles. Although the trucks are photographed, few are named.
The bull dog that has for so long adorned the hood of the Mack truck dates to this conflict -"the bull dog" was the nick-name bestowed upon that vehicle by the British Tommies.
Read about the Patton tank in Korea...