1. It empowered a new type and class of criminals and gangs, with much more power and money than they ever had before.What effect did Prohibition have on the Roaring Twenties?
2. It corrupted government at all levels.
3. It made many people think of government as invasive an unwelcome.
4. It corrupted many in the police, other forms of law enforcement and even the courts.
5. In spite of its eventual failure, it empowered Feds into believing they could further infringe on State's rights.
Overall, it was hugely damaging to the US, in ways that we never recovered from.
Sobriety? Little to no effect. Booze was easy to get, even when illegal.
Economic effect? Very negative. Lots of resources were directed into fighting alcohol that could have otherwise been used productively. The alcohol market was distorted badly. The money spent on alcohol did not reward the best producers, it rewarded the best criminals.