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6 Cards in this Set
- Front
- Back
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silt
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fine particles of rocks
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irrigation system
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people couldn't didn't know who would maintain their irrigation systems across the land
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canals
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the canals would get clogged from silt and when the canals got clogged it would disturb the whole system
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the sumerian cities would fight over the water supply which meant... ATTACK
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they began to build dams to keep the water from flooding into their cities
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They also began to build walls around their cities so attackers couldn't get in
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they made these walls by using mud-baked bricks to keep the walls together
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City-states
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is like a small independent country that has its own laws and government
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