Answer:
The Battle of Stalingrad. Marked by fierce close quarters combat and direct assaults on civilians by air raids, it is often regarded as one of the single largest (nearly 2.2 million personnel) and bloodiest (1.7–2 million wounded, killed or captured) battles in the history of warfare.
Explanation:
16th Amendment: Federal Income tax
17th Amendment: Direct election of senators
18th: Prohibition of Alcohol
The answer is south carolina