<Tr> <Td> 1942 </Td> <Td> 2,453,097 </Td> <Td> 14 </Td> </Tr> <Tr> <Td> 1943 </Td> <Td> 4,794,545 </Td> <Td> 27.4 </Td> </Tr> <Tr> <Td> 1944 </Td> <Td> 6,217,622 </Td> <Td> 35.5 </Td> </Tr> <Tr> <Td> 1945 </Td> <Td> 3,673,819 </Td> <Td> 21 </Td> </Tr>

What was the lend lease act and why was it passed