[calm wind synth music] KRISTINA: Do you say sub or hoagie? VARIOUS VOICES: Sub. Sub. Hoagie. Sub. Sub. KRISTINA: What about maple sir-up or maple seer-up? VARIOUS VOICES: Maple seer-up. Seer-up. Maple seer-up. Seer-up. Maple sir-up. KRISTINA: Crayon? Crayan? VARIOUS VOICES: Crayon. Crayan. Crayon. Crayan. Crayon. KRISTINA: People will go to war defending these words and how they’re pronounced. Most people know that the south says “y’all” and that the Midwest says “pop.” But how did the English language within the United States become so varied? How…