That amendment ended the three-fifths rule effectively raising the population of states that once had slavery.
As a result, South Carolina and other slave states tried to seat extra members of Congress.
South Carolina choose two additional congress members during an at-large election in 1870.
"A number of southern states upon readmission claimed that since their slaves were emancipated, they were entitled to larger delegations in the House.
"[1][2][3][4] In 1873, South Carolina's apportionment in the United States House of Representatives was officially increased from 4 to 5 members.