Smoking became very popular.
Changed diet kept people from starvation.
Corn fed livestock grew in places where other plants couldn't grow in
It is important because it does not balance on a yearly basis, but rather on economy cycles. This means that budget deficits and surpluses are accounted for in the budget according to what economic cycle the country is in. That's why the definition of surplus and deficit changes depending on how successful the economy is.
If you mean "what was a direct result of the baby boom?" The answer would be a significant increase in population.
