you are correct Wrote:
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> Around this time, the nation began taking a firm
> stance on the issue of drunk driving. And because
> it was apparent that a 21 drinking age law reduced
> alcohol-related fatalities and injuries, there was
> a groundswell to help decrease drunk driving
> deaths and injuries by raising the minimum
> drinking age to 21. President Ronald Reagan
> responded to growing evidence that a 21 drinking
> age law would save lives.
>
> On July 17, 1984, President Reagan signed into law
> the Uniform Drinking Age Act mandating all states
> to adopt 21 as the legal drinking age within five
> years. By 1988, all states had set 21 as the
> minimum drinking age, which is where it should
> remain.
>
>
>
http://www.why21.org/history/
"Since that time, the 21 minimum drinking age law has saved about 900 lives per year as estimated by the National Traffic Highway Administration (NHTSA)."
Honestly, that's not that much for a nation of 300M