In what way did the division of labor contribute to the growth of Mesopotamian civilization?

Ways in which a division of labor contributed to the growth of Mesopotamian civilization were people developed expertise outside of farming, large scale projects were completed and laws and government needed to carry out such projects were developed.

Explanation:

"There was as yet no man, nor any animal, nor bird, nor fish, nor crawfish, nor any pit, nor ravine, nor green herb, nor any tree; nothing was but the firmament."
"Lo, now how the heavens exist, how exists also the Heart of Heaven; such is the name of God; it is thus that he is called."
"And the creation was verily after this wise: Earth, they said, and on the instant, it was formed; like a cloud or a fog was its beginning."