Poem by Arthur Guiterman.
With an online dictionary, you don't have to flick through a physical dictionary looking for the word you need-- you just have to type in what you want.
I believe that the sections that answer the question are "We will not only defend ourselves to the uttermost..." and "With confidence in our armed forces..."
The negro artist and the racial mountain was written in response to "The Negro Art Hokum" written by George S. Schyler.
