<P> Whether slavery was to be regulated under the new Constitution was a matter of such intense conflict between the North and South that several Southern states refused to join the Union if slavery were not to be allowed . Delegates opposed to slavery were forced to yield in their demands that slavery practiced within the confines of the new nation be completely outlawed . However, they continued to argue that the Constitution should prohibit the states from participating in the international slave trade, including in the importation of new slaves from Africa and the export of slaves to other countries . The Convention postponed making a final decision on the international slave trade until late in the deliberations because of the contentious nature of the issue . During the Convention's late July recess, the Committee of Detail had inserted language that would prohibit the federal government from attempting to ban international slave trading and from imposing taxes on the purchase or sale of slaves . The Convention could not agree on these provisions when the subject came up again in late August, so they referred the matter to an eleven - member committee for further discussion . This committee helped work out a compromise: Congress would have the power to ban the international slave trade, but not for another twenty years (that is, not until 1808). In exchange for this concession, the federal government's power to regulate foreign commerce would be strengthened by provisions that allowed for taxation of slave trades in the international market and that reduced the requirement for passage of navigation acts from two - thirds majorities of both houses of Congress to simple majorities . </P> <P> Another contentious slavery - related question was whether slaves would be counted as part of the population in determining representation of the states in the Congress, or would instead be considered property and as such not be considered for purposes of representation . Delegates from states with a large population of slaves argued that slaves should be considered persons in determining representation, but as property if the new government were to levy taxes on the states on the basis of population . Delegates from states where slavery had become rare argued that slaves should be included in taxation, but not in determining representation . Finally, delegate James Wilson proposed the Three - Fifths Compromise . This was eventually adopted by the Convention . </P> <P> The states had originally appointed seventy representatives to the Convention, but a number of the appointees did not accept or could not attend, leaving fifty - five delegates who would ultimately craft the Constitution . </P> <P> Almost all of the fifty - five delegates had taken part in the Revolution, with at least twenty - nine having served in the Continental forces, most in positions of command . All but two or three had served in colonial or state government during their careers . The vast majority (about 75%) of the delegates were or had been members of the Confederation Congress, and many had been members of the Continental Congress during the Revolution . Several had been state governors . Just two delegates, Roger Sherman and Robert Morris, would be signatories to all three of the nation's founding documents: the Declaration of Independence, the Articles of Confederation, and the Constitution . </P>

Who didn't attend the constitutional convention of 1787
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