(A) ** doughboys
(B) Grunts
(C) GIs
(D) Leathernecks
EXPLANATIONS BELOW
Concept note-1: -“Yanks, ” “Sammies, ” “Pershing’s Crusaders” – these were just some of the names used to label America’s enlisted men in World War I.
Concept note-2: -According to one explanation, the term dates back to the Mexican War of 1846-48, when American infantrymen made long treks over dusty terrain, giving them the appearance of being covered in flour, or dough.
Concept note-3: -Doughboy was a popular nickname for the American infantryman during World War I. Though the origins of the term are not certain, the nickname was still in use as of the early 1940s.
Concept note-4: -noun. dough·boy ˈdō-ˌbȯi. Synonyms of doughboy. : an American infantryman especially in World War I.
Concept note-5: -During World War II, the Germans called the American soldiers ‘Ami’ or ‘Amis’ (plural), short for ‘die Amerikaner’. After the war, we called them “GI’s” or ‘Gummikauer’ which means “gum chewers.”