Answer:
The Persian Empire entered a period of decline after a failed invasion of Greece by Xerxes I in 480 BC. The costly defense of Persia's lands depleted the empire's funds, leading to heavier taxation among Persia's subjects
According to historical evidence, Sumerian city-states "were primarily agricultural communities."
This is due to the fertile area surrounding them which makes agriculture a productive venture.
Sumerian city-states which are in present-day southern Iraq are known for some activities and characteristics. Some of them include the following:
- There is usually the existence of warfare between them;
- They were primarily agricultural communities;
- They mastered the use of bronze, and;
- They engaged in monumental construction problems.
Hence, in this case, the correct answer to the question is option E "were primarily agricultural communities."
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