Actually prohibition was quite effective, it reduced alcohol usage by 30-50% , according to an history professor[1]:<p><a href="http:&#x2F;&#x2F;www.nytimes.com&#x2F;1989&#x2F;10&#x2F;16&#x2F;opinion&#x2F;actually-prohibition-was-a-success.html" rel="nofollow">http:&#x2F;&#x2F;www.nytimes.com&#x2F;1989&#x2F;10&#x2F;16&#x2F;opinion&#x2F;actually-prohibiti...</a>