What was the primary reason the 18th amendment was eventually repealed in 1933 by the 21st amendment?

answer:

The Eighteenth Amendment was repealed by the Twenty-first Amendment on December 5, 1933. The Eighteenth Amendment was the product of decades of efforts by the temperance movement, which held that a ban on the sale of alcohol would ameliorate poverty and other societal issues.

a standing committee

explanation:

to act quickly in times of danger to the united states

because you have to act quickly if you want to live/survive.