Answer:
the oversight of agriculture in surrounding areas.
Step-by-step explanation:
The Sumerian cities developed into organized states with the maintenance of public order, coordination of community projects and a monopoly on long distance trade routes and also with the influence of a temple which was revered by the people and presided over by a priest.
Sumerian civilization began around 4000 B.C and the political structure was not only independent, but also different from others.
The correct answer is option A the oversight of agriculture in surrounding areas.