<Tr> <Td> Nanda Empire </Td> <Td> (380--321 BC) </Td> </Tr> <Tr> <Td> Macedonian Empire </Td> <Td> (330--323 BC) </Td> </Tr> <Tr> <Td> Maurya Empire </Td> <Td> (321--184 BC) </Td> </Tr> <Tr> <Td> Seleucid India </Td> <Td> (312--303 BC) </Td> </Tr>

What was the greatest source of division in the south