Answer:
City-state, a political system consisting of an independent city having sovereignty over contiguous territory and serving as a centre and leader of political, economic, and cultural life.
(I don't know how it spreaded though, sorry :<)
B.large urban areas became even larger
Answer:
a shrine is a place regarded as holy because of its associations with a divinity or a sacred person or relic, marked by a building or other construction.
Explanation:Religous palace
Answer:
They did not trade, this meant they had limited exotic resources.
