>Even if we're under 21?

Cultural aside here:

I find it really strange that it is not possible to buy alcohol under the age of 21 in the USA (I thought it was only California but now I am told that it is everywhere.) Does this mean that if you are under 21 and had your wedding reception in a bar open to the public (less usual these days but not all that rare) then you would not be able drink at your own wedding? By that age you would have been allowed to vote, carry a gun, go to prison, drive a car, have a baby?

Does this mean that is possible to go through university without an alcoholic drink? To me, this is inconceivable. (I include Budweiser here as I am told that it does contain alcohol.) How on earth to people manage not to break the law?

Bemused of Essex