THE RAISING OF CROPS AND LIVESTOCK

TO TRADE BY EXCHANGING ONE GOOD FOR ANOTHER

A CITY THAT GOVERNS ITSELF AND SURROUNDING TERRITORY

A GROUP OF PEOPLE WHO HAVE A COMPLEX SOCIETY

WRITING DEVELOPED BY THE SUMERIANS

A RELIGIOUS BELIEF IN MORE THAN ONE GOD

A SYSTEM OF DIGGING DITCHES TO GET WATER TO DRY LAND

PYRAMID-SHAPED STRUCTURES WITH TEMPLES AT THE TOP