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".

monarchy doesn’t have to have the hereditary element. there have been elective monarchies in the past where you choose your king-for-life and when he dies elect someone else for the job.

. political or economical policy that isolates a country from participating in international relationships. it has been suggested that the united states participates in isolationism because of its lack of involvement in particular wars or alliances.