Read the passage below and answer the question.
"How lowly is the poor man!
A mill house is (for him) the edge of the oven.
His ripped garment will not be mended.
What he has lost will not be sought for!"
From an Ancient Sumerian proverb
The content of this proverb could best be used as evidence of what development in the ancient world?
A Social hierarchies intensified
B
Environmental conditions limited food production
C Religious belief systems became more codified
D Specialization of labor decreased
