What do ziggurants tell us about ancient Sumer?

The Mesopotamians believed that these pyramid temples connected heaven and earth. The ziggurat at Babylon was known as Etemenankia or "House of the Platform between Heaven and Earth." An example of an extensive and massive ziggurat is the Marduk ziggurat, of Etemenanki, of ancient Babylon.

Explanation:

the lowest among the social higher rank were the working class. this class remained detached to the political progression   of the country and was hostile to the other two classes

no options provided, here,but the answer to this question is often: a historian cites a japanese newspaper article published a year after the end of world war ii in order to draw conclusions about the effect of the war on the japanese economy.

clearly from the answer, the historian alludes to historical sources,and records to aid in analyzing and drawing conclusion on the effect of the war on the economy of japan.