The sentence best analyzes the poet's use of allusion in the passage is:
"The speaker mentions Saigon to refer to the many lost lives in the Vietnam War while the soldiers' families waited anxiously." (Option A)
When in literature, the author references an idea indirectly without specifying what it is, this is called and Allusion.
Hence, the reference to Saigon is the Allusion.
Learn more about Allusion at;
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