It introduces the characters of Charley Anderson, airplane manufacturer; J. Ward Moorhouse; Eleanor Stoddard; and Fainy "Mac" McCreary, who joins the Mexican Revolution. Set in the days just before World War I, this novel interweaves events from these character's lives with biographies of real-life contemporaries such as Eugene Debs. For 10 points, name this first book of the U.S.A. Trilogy by John dos Passos.
The 42nd Parallel (prompt on "USA Trilogy" before "this novel" is read)