What are the major contributions of Akkadia?

Akkadia, particularly during the reign of the Akkadian Empire from about 2334 to 2154 BCE, made significant contributions to early civilization, including the spread of the Akkadian language, which became the lingua franca of the region. It is known for advancements in administration, art, and literature, exemplified by the creation of the Epic of Gilgamesh. The Akkadians also developed innovations in trade, military organization, and governance, influencing subsequent Mesopotamian cultures. Additionally, they were instrumental in the establishment of a centralized state, which set precedents for future empires.