<Tr> <Th> Ancient history </Th> </Tr> <Tr> <Td> Preceded by Prehistory </Td> </Tr> <Tr> <Th> Ancient Near East </Th> </Tr> <Tr> <Td> <Ul> <Li> Sumer </Li> <Li> Egypt </Li> <Li> Assyria </Li> <Li> Elam </Li> <Li> Akkad </Li> <Li> Babylonia </Li> <Li> Canaan </Li> <Li> Phoenicia </Li> <Li> Israel and Judah </Li> <Li> Hittite Empire </Li> <Li> Arzawa </Li> <Li> Mitanni </Li> <Li> Minoan Crete </Li> <Li> Mycenaean Greece </Li> <Li> Syro - Hittite states </Li> <Li> Hayasa - Azzi </Li> <Li> Georgia </Li> <Li> Anatolia </Li> <Li> Armenia </Li> <Li> Neo-Assyrian Empire </Li> <Li> Urartu </Li> <Li> Neo-Babylonian Empire </Li> <Li> Medes </Li> </Ul> </Td> </Tr>

How did india's social structure change during the vedic period