three-fifths allowance for enslavement three-fifths of a person 3/5ths allowance for enslavement allowance for enslavement whole persons law2.umkc.edu... http://law2.umkc.edu... The Thirteenth Amendment 3/5ths counted a slave as only 3/5 of a human The Thirteenth Amendment counted a slave as only 3/5 of a human law2.umkc.edu counted a slave as only 3/5 of a human counted a slave as only 3/5 of a human counted a slave as only 3/5 of a human law2.umkc.edu...