<Tr> <Th> 9 </Th> <Td> Agribusiness </Td> <Td> $1,280,824,983 </Td> <Td> 4% </Td> </Tr> <Tr> <Th> 10 </Th> <Td> Defense </Td> <Td> $1,216,469,173 </Td> <Td> 4% </Td> </Tr> <Tr> <Th> 11 </Th> <Td> Construction </Td> <Td> $480,363,108 </Td> <Td> 2% </Td> </Tr> <Tr> <Th> 12 </Th> <Td> Labor </Td> <Td> $427,355,408 </Td> <Td> 1% </Td> </Tr>

The role of lobbying in american political process