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https://drive.google.com/a/capousd.org/file/d/0B45FBRuOuJFyMlp1Y25zS1hqc0U/view?usp=sharing

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https://drive.google.com/a/capousd.org/file/d/0B4mVWZmo2cT4QXJRSnRZS1NfMWc/view?usp=sharing

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Each group that adopted a writing system changed it to fit their needs. Writing began as pictographs. Then it went to the alphabet.

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To keep track of all the goods that were made the priests developed the system of writing. They did this by drawing different symbols to stand for different goods on a wet peace of clay and a sick or a peace of straw to carve it in.

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One agriculture technique was irrigation. With this invention farmers could keep their crops alive during the dry summer. Another technique was the plow. They would use the plow to poke holes into the ground.

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In order To stay powerful, the kings needed support from the priests. So  the kings were always respectful to them. The kings and priests had to work together to make religious ceremonies.

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Sumerian city-sates developed a social order with three social classes. The upper class consisted of the ruler. The average people were farmers and skilled workers, they were the middle class. The lowest class was mostly slaves