<Tr> <Td> 1864 </Td> <Td> 28,800,000 (90%) </Td> <Td> 3,000,000 (10%) </Td> </Tr> <Tr> <Td> Free </Td> <Td> 1860 </Td> <Td> 21,700,000 (81%) </Td> <Td> 5,600,000 (19%) </Td> </Tr> <Tr> <Td> Slave </Td> <Td> 1860 </Td> <Td> 400,000 (11%) </Td> <Td> 3,500,000 (89%) </Td> </Tr> <Tr> <Td> 1864 </Td> <Td> negligible </Td> <Td> 1,900,000 </Td> </Tr>

President of the usa during the civil war