Mesopotamia initially focused its civilization on agriculture, but after a while, once it began to build larger cities, it began to turn to the creation and use of metal, as in the case of the Chinese dynasty. did. Mesopotamia and Shang and Zhou China also accounted for much of their economy on trade. Shang and Zhou China most likely based their civilization on the success experienced by Mesopotamia and thwarted what they thought was best implemented in their country.