Apparently, you never heard of the scourge known as "Prohibition".
The first time it was done, we realized it took a Constitutional Amendment, which was voted on and passed, as was its repeal.
This time, it was done by the NHTSA (National Highway Traffic Safety Administration).
No no no.. I know the textbook story of Prohibition and the 19th Amendment. I know "why", I want to know *how*, cause I don't believe it.