Which factor most contributed to the growing economies of Mesopotamian Empires? new codes of law military expansion new religious beliefs improvements to roads

military expansion

Explanation:

Military expansion is factor which contributed most to the growing economies of Mesopotamian Empires.

Military expansion helped the Mesopotamian empire that defended the city and completed the land or water resources. Military expansion ruled other cities and fulfill all the required resources of the Mesopotamian empire.

Hence, the correct option is "military expansion".

social contract theory, nearly as old as philosophy itself, is the view that persons' moral and/or political obligations are dependent upon a contract or agreement among them to form the society in which they live