Answer:
refused to grant the Rosenberg clemency.
The best explanation as to why the Twenty-First Amendment was ratified in 1933, repealing the 18th Amendment would be that "<span>b. The banning of alcohol had been an expensive mistake. Rather than spend money trying to enforce an unpopular law the government could tax alcohol," since Prohibition had been deemed a failure. </span>
I am not 100% sure but i say c