Answer:
The term "Doughboy" referred to American troops during World War I.
Explanation:
The informal term "Doughboy" was used to denominate the members of the United States Army or the United States Marine Corps, used primarily to refer to American Expeditionary Forces members in World War I, although its use started during the Mexican-American War in 1846. In World War II, this term was replaced by "G.I."
