Final answer:
The identity of the Union soldier in the story "Soldiers" who tells Jane about the slaves being freed cannot be determined without direct reference to the text.
Step-by-step explanation:
The question refers to a character in the story "Soldiers" who informs Jane that the slaves are about to be freed. In literature, characters play crucial roles in advancing the plot and contributing to the themes of the story. This particular piece of information would have been a significant moment in the story, reflecting the historical context of the Civil War era and the Emancipation Proclamation which liberated slaves in the Confederate states. However, without access to the specific text of "Soldiers," it is not possible to accurately determine which character conveys this news to Jane.
Therefore, without more context or the ability to reference the text directly, providing a factual answer to which Union soldier tells Jane about the slaves' impending freedom is not feasible.