Answer: A . People
Explanation: All people look different , Trees look the same and so do clocks
Answer is in the file below
tinyurl.com/wpazsebu
The stanzas correspond to the tone and meter: ABAB
Besides there are Alliteration and Assonance
Alliteration: "In the world's broad field of battle, / In the bivouac of Life, / Be not like dumb, driven cattle!"
Assonance: "Still achieving, still pursuing"
