What was a result of complex division of labor developed in Sumer?

The complex division of labor in Sumer led to increased productivity and efficiency in various sectors, such as agriculture, trade, and craftsmanship. This specialization allowed individuals to focus on specific tasks, fostering innovation and the development of new technologies. As a result, Sumer became a highly organized society with a rich cultural and economic landscape, ultimately contributing to the rise of urban centers and the advancement of civilization.