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 In Mesopotamia it is either very  (1) DRY or the Tigris and  Euphrates Rivers (2) FLOOD. Humans needed a way to  contro...
 Irrigation increased the (5) AMOUNT of  food farmers were able to grow. Farmers created a (6) SURPLUS of food.   Surpl...
 Most people became (8) ARTISANS .   Artisans – workers who are especially skilled in (9)    CRAFTING ITEMS BY HAND By ...
 Because of surplus, the human population (12)    EXPLODED.   In 8000BC there were (13) 5 MILLION people on    Earth.  ...
Growth of Cities
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Growth of Cities

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Transcript of "Growth of Cities"

  1. 1.  In Mesopotamia it is either very (1) DRY or the Tigris and Euphrates Rivers (2) FLOOD. Humans needed a way to control the rivers’ flow. The answer is (3) IRRIGATION!  (4) IRRIGATION: SUPPLYING THE LAND WITH WATER BY USING CANALS People built (5) IRRIGATION SYSTEMS using dams and canals to control river water.
  2. 2.  Irrigation increased the (5) AMOUNT of food farmers were able to grow. Farmers created a (6) SURPLUS of food.  Surplus – (7) MORE THAN WHAT IS NEEDED Because farming was so productive, many people were free to (7) PURSUE OTHER JOBS .
  3. 3.  Most people became (8) ARTISANS .  Artisans – workers who are especially skilled in (9) CRAFTING ITEMS BY HAND By 3000BC people learned to mix (10) COPPER AND TIN to make bronze from melting rocks. This led to the (11) BRONZE AGE Bronze was used to make durable weapons, tools, helmets and shields.
  4. 4.  Because of surplus, the human population (12) EXPLODED. In 8000BC there were (13) 5 MILLION people on Earth. By 5000BC, the population was (13) 20 MILLION. Towns grew larger and eventually became cities. (14) PUBLIC BUILDINGS for storing grain and religion were built. Public (15) MARKETS existed for buying and selling goods. By (16) 3000BCE, cities existed all over southern Mesopotamia.
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