Why is the "common man" the emphasis of The Century?

Vice President Henry Wallace gave this speech in 1942, a time when Americans were debating wartime strategy and America’s role in the post-World War II order. Wallace’s speech, also known as “The Price of Free World Victory,” reiterated support for Franklin Roosevelt’s “Four Freedoms” and criticized Henry Luce’s concept of the “American Century.”

Explanation:

that would be the steamboat because none of the other things are forms of transportation

the heightened emotion and nature images.