To select the excerpt from "A Story of the Red Cross" that best reflects what is happening in the frame from "One War Ends, Another Begins," we should consider the themes of aid, supply distribution, and the reality of suffering. The following excerpt resonates well with these themes:
"Later on arrived a shipload of supplies from the business people of New York, which were stored with the Galveston committee, and we were asked to aid in the distribution of these supplies,…."
This passage highlights the arrival of supplies and the efforts to aid those in need, aligning with the context of providing support in the aftermath of conflict or disaster, which is likely depicted in the frame you referenced.