Yes, Pete. "Fighting for the liberties we earned with honest toil..."..

Their liberties, I submit, about which they took up arms, were the same liberties delineated in the Declaration of Independence -- to withdraw from a government they found oppressive and set up their own.
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I am not saying that would have been for the best, but I am certain in my own limited mind that that's what they were on about..
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Do you have some other interpretation?