<Tr> <Td> 1912 </Td> <Td> Argentina </Td> <Td> Sáenz Peña Law </Td> </Tr> <Tr> <Td> 1918 </Td> <Td> Poland </Td> <Td> </Td> </Tr> <Tr> <Td> 1918 </Td> <Td> Uruguay </Td> <Td> </Td> </Tr> <Tr> <Td> 1919 </Td> <Td> Romania </Td> <Td> </Td> </Tr>

How did the australian ballot improve the voting process