They counted them as 3/5 of a human being because dim-0s wouldnt agree to 100%. It was a compromise.
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Many folks need to look at history before believing that BS. This is the sort of messed up history to just anger blacks. The 3/5 clause I was not about their humanity
Excerpt: more at the link.
Often misinterpreted to mean that African Americans as individuals are considered three-fifths of a person or that they are three-fifths of a citizen of the U.S., the three-fifths clause (Article I, Section 2, of the U.S. Constitution of 1787) in fact declared that for purposes of representation in Congress, enslaved blacks in a state would be counted as three-fifths of the number of white inhabitants of that state.
The three-fifths clause was part of a series of compromises enacted by the Constitutional Convention of 1787. The most notable other clauses prohibited slavery in the Northwest Territories and ended U.S. participation in the international slave trade in 1807. These compromises reflected Virginia Constitutional Convention delegate (and future U.S. President) James Madison’s observation that “…the States were divided into different interests not by their…size…but principally from their having or not having slaves.”