Jericho and Catal Huyuk {Ans: Two of the oldest Neolithic communities.}Nebuchadnezzar {Ans: Chaldean king who built the Hanging Gardens for his wife}Babylon {Ans: empire city made by the Chaldeans}Nineveh {Ans: Assyrian Empire's capital city}lower class {Ans: slaves from war, crime, and debt}fossil {Ans: traces of plants and animals that have been preserved in rock.}technology {Ans: tools and methods used to help humans perform tasks.}cuneiform {Ans: Sumerian system of writing made up of wedge shaped markings.}Stone Age {Ans: early period of human history}astronomer {Ans: a person who studies the star, planets and other heavenly bodies.}Assyrians {Ans: first large army to use iron weapons}Hittites {Ans: Taught the Assyrians a way of making iron strong enough to use for weapons}irrigation {Ans: a method of bringing water to the fields, from another place, to water the crops.}Gilgamesh {Ans: hero in an epic who travels around the world performing great deeds}fire {Ans: This is what Paleolithic people learned to tame}tools {Ans: One of the most important technologies used by the Paleolithic people.}nomad {Ans: person who moves from place to place.}domesticate {Ans: to tame plants and animals for