The Three-fifths Compromise was an agreement reached during the 1787 United States Constitutional Convention over the inclusion of slaves in a state's total population. This count would determine: the number of seats in the House of Representatives; the number of electoral votes each state would be allocated; and how much money the states would pay in taxes. Slave holding states wanted their entire population to be counted to determine the number of Representatives those states could elect and send to Congress...
Democrat history repeats itself. "But who is going to pick the cotton?"
https://en.m.wikipedia.org/wiki/Three-fifths_Compromise