Whitman uses a strong figurative language with an iambic meter that provides a fluid rhythm and enhanced effect.
Explanation:
Walt Whitman's poem was written for President Abraham Lincoln, his favorite President. "Whitman uses a strong figurative language with an iambic meter that provides a fluid rhythm and enhanced effect", although the poem had no proper rhyme scheme.
The poem starts in a happy note and ended in despair and distress of a great leader. The lines in the poem emphasized the theme much and the tone kept changing.
The emotions and pity of the poet and the loss of a great leader in history helped to enhance the effect of understanding as a result of the repetition of the lines till the final line.
Moses isn't actually living anymore. This has something to do with comparsion. The definition for simile is - "a figure of speech involving the comparison of one thing with another thing of a different kind, used to make a description more emphatic or vivid"
I would assume, the best way to measure if it's achievable would be making a graph of various ages and seeing when most people achieve these indicators and how many do it.