He is saying that England will endure WW2, even if they are losing in the moment. He is saying that if they do surrender now, England will eventually win.
Here are the answers as to why an author includes dialect in a story: to allude to a character’s regional background; to allude to a character’s social background; and <span>to add to the cultural context of a story’s setting. When we say dialect, this is the specific form of language that is used by someone who is from a specific region. In other words, this is called as a local language or vernacular. When this is added in a story, this gives it a more culturally specific form of approach. </span>
