Any human to another : explain what this poem is trying to say

Armed with invisible ink, a cipher system, and a passion to end the war and preserve the union, elizabeth van lew became butler's eyes and ears in the confederate capital city. truth be told, however, she became much more than that. she became a spymaster, the person responsible for running a network of agents, couriers, and safe houses that was very active during the war. in addition to the spying, elizabeth van lew continued to maintain her church hill home as a safe house and something of a local union spy headquarters. —the dark game, paul janeczko what is the central idea of this passage? van lew’s home was used as a safe house, which was critical to the confederacy. van lew had a passion to end the war and preserve the union. van lew was a spymaster, a leading force in the espionage activities for the union. van lew did not enjoy working for general butler.

Ihave no idea what the explanation is.

If music be the food of love, play on; give me excess of it, that, surfeiting, the appetite may sicken, and so die. that strain again! it had a dying fall: o, it came o'er my ear like the sweet sound, that breathes upon a bank of violets, stealing and giving odour! now read the excerpt from "the love song of j. alfred prufrock." for i have known them all already, known them all: have known the evenings, mornings, afternoons, i have measured out my life with coffee spoons; i know the voices dying with a dying fall beneath the music from a farther room. what does the phrase "dying fall" most likely mean in both excerpts