Did the upper classes and lower classes fight in WWI with the same expectations

Option 1: Did the upper classes and lower classes fight in WWI with the same expectations? Which Americans, if any, benefited from the war? Did anyone protest the war? If so, who, why, and how?
Option 2: Did the labor movements of the Gilded Age and Progressive succeed in improving the live of the working classes. If yes, how? If not, why?
Option 3: In light of the Plessy vs. Ferguson Decision, did the 14th Amendment provide the promised "new Birth of freedom." What other events in the Gilded Age and Progressive Era support your conclusion.

Sample Solution