What do you consider to be the most important legacy of the sumerians?

The most important legacy of the Sumerians is their development of cuneiform writing, one of the earliest forms of written communication, which laid the foundation for record-keeping, literature, and administration. Additionally, they made significant advances in mathematics and astronomy, establishing a base-60 number system that influences how we measure time and angles today. Their innovations in irrigation and urban planning also contributed to the rise of complex societies and city-states, shaping future civilizations. Overall, the Sumerians' contributions greatly influenced various aspects of culture, governance, and science in subsequent societies.