Re: Tariff of 1828
the question should not be "why was the war fought?" it should be "why did the combatants think they had to fight it?" and in both cases, each side will still tend to have different reasons than the other. (did you ever hear one side tell itself "we're dead wrong about this conflict, but we have to fight it anyway.")
there may be differences of opinion, substantial numbers of americans opposed the mexican war, and the vietnam war, and to this day, no one can give me a good reason why the first world war was fought. but the sheep march off to the slaughter anyway.