Final answer:
The 21st amendment replaced the 18th amendment and ended Prohibition in the United States.
Step-by-step explanation:
The amendment that replaced the 18th amendment was the 21st amendment.
The 18th amendment, also known as Prohibition, banned the manufacture, sale, and transportation of alcohol in the United States. However, the 21st amendment, ratified in 1933, repealed the 18th amendment and ended Prohibition.
This change in the Constitution allowed for the legal sale and consumption of alcohol, granting individual states the power to regulate alcohol within their own jurisdictions.
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