What is the social structure of sumer?

A Class Society. The people of Sumer and the people of Babylon (the civilization that was built on the ruins of Sumer) were divided into four classes; the priests, the upper class, the lower class, and the slaves.

A Class Society.

Explanation:

The people of Sumer and the people of Babylon (the civilization that was built on the ruins of Sumer) were divided into four classes - the priests, the upper class, the lower class, and the slaves.

30 and 44 are b

explanation:

answer; /// i believe that the correct answer is (d)the huang he river valley;