The narrator's repeated use of "England" when referring to Britain is a minor irritation, but overlooking this allows for an appreciation of what is ultimately a touching portrayal of how the U.K. celebrated Christmas during that period. The war hadn't gone perfectly on the military front, and destruction was visible everywhere. Despite this, spirits remained high, exemplified by a resourceful window cleaner who posted a sign on his damaged storefront: “Window cleaner open for business. If you haven’t any windows left, we’ll clean your chimneys instead.” A particularly memorable version of "Silent Night" plays over scenes depicting families, children, and Christmas decorations, creating the impression that, at least temporarily, life in this country ravaged by war felt somewhat normal—even though certain toys weren't selling as well as expected. The film was clearly made to evoke empathy from audiences in the United States for their exhausted allies, and it does elicit a degree of sentimentality; however, reducing Quentin Reynolds’s narration towards the end reveals a statement indicating that… “nobody needs to feel sorry for Britain, it doesn’t feel sorry for itself.”

Source on TMDB