not all of them, as 15 of the 56 signers of the Declaration did not own slaves.
>> https://en.wikipedia.org/wiki/Slavery_and_the_United_States_...
Of those 15, it might be illuminating to know how many did not on grounds of principle versus merely that the cost/benefit didn't favour it for them at that time?
Of those 15, it might be illuminating to know how many did not on grounds of principle versus merely that the cost/benefit didn't favour it for them at that time?