The author of Unworthy Republic has a discussion of language in the introduction that you read both concerning the language of the period and language that we use to describe the period. Why is this important?
What else does he say he is arguing (his thesis is found in that introduction, so you should be able to find it without
any other use of the book!) (If you search the web for the book you should get a preview of the book which has the introduction)

newton is important because he contributed more to the development of science than any other person in history. isaac newton is remembered as the greatest scientific genius who ever lived. his discoveries about physics, light, and mathematics changed the world.

united states reinforcements contributed greatly to three allied victories in france at: cantigny (first major american battle), argonne (the largest in the united states military history, involving 1.2 million american soldiers), and château-thierry (one of the first actions under general pershing).

living during the great depression had a major affect on the mentality many people. a good portion of people who lived during that time do not trust banks. this is likely the result of the many widespread bank failures in the 30s that caused people to lose their life savings.