I don't have the proper answer and you might have to do research but America did gain much from the war such as Cuba, The Philipines, and Guam.
Probably the invention of Papyrus (paper)
It was Henry Cabot Lodge. Shockingly for Wilson, he was met with firm resistance. The Republican pioneer of the Senate, Henry Cabot Lodge, was exceptionally suspicious of Wilson and his arrangement. Article X of the League of Nations required the United States to regard the regional uprightness of part states.
