Final answer:
Ancient Mesopotamian literature was influenced by the belief in anthropomorphic gods and the harsh realities of their environment.
Step-by-step explanation:
Ancient Mesopotamian literature was influenced by several key factors. One significant influence was the belief in numerous anthropomorphic gods associated with various forces of nature, such as the god of the sun, the goddess of fertility, and the god of wind and rain.
These gods were often depicted in stories that portrayed their divine powers and human-like characteristics. Another influence on Mesopotamian literature was the harsh reality of their environment, including the frequent river flooding and wars between city-states, which contributed to a generally pessimistic worldview.