How did people speak in the 1940's in America?

In the 1940s, American English had slight variations in vocabulary, pronunciation, and slang compared to modern English. People might have used phrases like "swell" for "great" or "dame" for a woman. Speech patterns tended to be more formal and slower-paced compared to today. Accents also varied by region, with distinctive features in locations like New York City or the American South.