Which Sumerian achievement is associated with early artistic developments?

The achievement associated with early artistic developments in Sumer is indeed the creation of statues and carvings. Sumerians are renowned for their advanced artistic techniques, which led to the production of intricate sculptures and reliefs that often depicted deities, mythological figures, and scenes from everyday life.

These artworks played significant roles in both religious and political contexts, showcasing the Sumerians' beliefs and societal values. The art itself was not only a form of expression but also served to communicate power and piety, as statues of gods were commonly placed in temples and public spaces.

While Mesopotamian literature, cuneiform tablets, and mathematical concepts represent important contributions of Sumerian civilization, they focus more on written communication and quantitative advancements rather than the visual art forms that are pivotal to early artistic developments. Thus, the statues and carvings stand out as a primary achievement in the realm of artistry within Sumerian culture.