Some of the achievements of the early valley dwellers and Sumer Civilization include mathematics, sailboat, wheel, irrigation, etc.
Sumer was an ancient civilization that was founded in the Mesopotamia region. They are known for their innovations in architecture, governance, language, mathematics, etc.
The farmers in Sumer created levees that were used to hold back floods from their fields. They also cut canals in order to channel river water to their fields. This is a form of irrigation. They are also known for the application of mathematics to vital areas of their daily life.
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