Answer :
Final answer:
John Pemberton's key contribution to Georgia's economy in the New South was inventing a globally popular soft drink.
Explanation:
John Pemberton's main contribution to Georgia's economy in the New South was inventing a soft drink that is sold throughout the world today. This soft drink, known as Coca-Cola, became a significant economic driver not only in Georgia but globally.
Learn more about John Pemberton and Coca-Cola here:
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