The Akkadian language and literature also had a profound impact on the cultural and intellectual landscape of the ancient Near East. The Epic of Gilgamesh, which was composed during this period, became a classic of world literature, influencing the literary traditions of ancient Greece, Rome, and beyond.
Benjamin R. Foster's The Age of Agade: Inventing Empire in Ancient Mesopotamia
Akkadian scribes began measuring grain, land, and labor in standardized units across the empire. They imposed the Akkadian language on official documents, even while respecting Sumerian for liturgy. This bilingual bureaucracy created a shared administrative culture from the Tigris to the Mediterranean—a template for later Persian and Roman systems.
Like all empires, the Age of Agade eventually drew to a close. A combination of internal revolts, climate change (a severe multi-century drought), and invasions by the Gutian highlanders led to its collapse around 2154 BCE.