<Table> <Tr> <Th> Year </Th> <Th> Total labor force (* 1000) </Th> <Th> Armed forces (* 1000) </Th> <Th> Unemployed (* 1000) </Th> <Th> Unemployment rate (%) </Th> </Tr> <Tr> <Td> 1939 </Td> <Td> 55,588 </Td> <Td> 370 </Td> <Td> 9,480 </Td> <Td> 17.2 </Td> </Tr> <Tr> <Td> 1940 </Td> <Td> 56,180 </Td> <Td> 540 </Td> <Td> 8,120 </Td> <Td> 14.6 </Td> </Tr> <Tr> <Td> 1941 </Td> <Td> 57,530 </Td> <Td> 1,620 </Td> <Td> 5,560 </Td> <Td> 9.9 </Td> </Tr> <Tr> <Td> 1942 </Td> <Td> 60,380 </Td> <Td> 3,970 </Td> <Td> 2,660 </Td> <Td> 4.7 </Td> </Tr> <Tr> <Td> 1943 </Td> <Td> 64,560 </Td> <Td> 9,020 </Td> <Td> 1,070 </Td> <Td> 1.9 </Td> </Tr> <Tr> <Td> 1944 </Td> <Td> 66,040 </Td> <Td> 11,410 </Td> <Td> 670 </Td> <Td> </Td> </Tr> <Tr> <Td> 1945 </Td> <Td> 65,290 </Td> <Td> 11,430 </Td> <Td> 1,040 </Td> <Td> 1.9 </Td> </Tr> <Tr> <Td> 1946 </Td> <Td> 60,970 </Td> <Td> 3,450 </Td> <Td> 2,270 </Td> <Td> 3.9 </Td> </Tr> </Table> <Tr> <Th> Year </Th> <Th> Total labor force (* 1000) </Th> <Th> Armed forces (* 1000) </Th> <Th> Unemployed (* 1000) </Th> <Th> Unemployment rate (%) </Th> </Tr> <Tr> <Td> 1939 </Td> <Td> 55,588 </Td> <Td> 370 </Td> <Td> 9,480 </Td> <Td> 17.2 </Td> </Tr> <Tr> <Td> 1940 </Td> <Td> 56,180 </Td> <Td> 540 </Td> <Td> 8,120 </Td> <Td> 14.6 </Td> </Tr>

What changes did american businesses make at the start of the war