Answer: It should be a. He didn't want to be president in the first place.
Explanation:
I believe it's C. Skilled Labor.
Answer:
The scientific method.
Explanation: . . . . . . . .
It would be the "GI Generation" that refers to the post–World War I, pre–Great Depression generation, since these people came of age during periods of great turmoil and were "GIs" during World War I.