| A | B |
|---|
| irrigation | supplying land with water through a series of canals |
| surplus | more than is needed |
| civilization | society with cities, central government, leaders, job specialization, & social classes |
| social class | a group of people with similar backgrounds, incomes, and ways of living |
| artisan | a worker who is especially skilled at crafting items by hand |
| more food (a surplus) and no need to be nomads (did not have to travel to find food). | these are advantages of farming, rather than hunting and gathering |
| population growth (more people) | Surplus (extra) food resulted in... |
| baskets, leather goods, pottery, and cloth | some of the items made by artisans |
| rivers | Many cities grew up along fertile __________. |
| bronze | a metal made by mixing copper with tin |
| wheel and axle | invention that made trade easier (transporting goods) |
| spread of tools and ideas | contact with traders and other people from one society to another resulted in |
