The correct answer is Walt Whitman
He says so in his poem I Sit and Look Out. The phrase is the final line of the poem.
"chief jewel" is your answer.
The answer to your question is the first choice, alliteration.
The repitition from the words that begin with the letter "a" (An, Austrian, array, awfully, arrayed, and boldly) use alliteration as well as repeating the words that begin with the letter "b" (boldly, by, battery, and besieged Belgrade), and the same thing with the letters "c" and "d."
Men& Girls
many of guests were newly rich and not always an Upstanding Crowd.