TOEFL Listening: ETS-TOEFL听力机经 - G8Y24F1SA190Y3MUP$

Why was Apalachicola important in the 1840s? A. It produced artificial ice to be sent all over the world. B. It was a large shipping center. C. It was an important center of medical research. D. It had the highest summer temperature of any of United States city.