What do many people considered to be the greatest invention of the Samarian?

Many people consider the invention of writing, specifically cuneiform script, to be the greatest achievement of the Sumerians. This innovation allowed for the recording of transactions, laws, and stories, significantly advancing communication and administration. It laid the groundwork for future civilizations by enabling the preservation of knowledge and culture. Additionally, it facilitated complex societal structures and trade, marking a pivotal development in human history.