<Tr> <Th> Mississippi </Th> </Tr> <Tr> <Td> <Ul> <Li> Adena </Li> <Li> Hopewell </Li> <Li> Mississippian </Li> <Li> Fort Ancient </Li> <Li> Huron Confederacy </Li> <Li> Three Fires Confederacy </Li> <Li> Mi'kmaq Confederacy </Li> <Li> Iroquois Confederacy </Li> </Ul> </Td> </Tr> <Ul> <Li> Adena </Li> <Li> Hopewell </Li> <Li> Mississippian </Li> <Li> Fort Ancient </Li> <Li> Huron Confederacy </Li> <Li> Three Fires Confederacy </Li> <Li> Mi'kmaq Confederacy </Li> <Li> Iroquois Confederacy </Li> </Ul> <Li> Three Fires Confederacy </Li>

Compare and contrast the civilization of ancient sumer with the modern united states