What is one the persian empire is known for?

The first Persian Empire under Cyrus the Great soon became the world's first superpower. It united under one government three important sites of early human civilization in the ancient world: Mesopotamia, Egypt's Nile Valley and India's Indus Valley.

Explanation:

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the best description of postwar writers might be progressive.

following the war, writers showed a tendency to work on artistic or social matters rather than political themes. while postwar literature may not have been the greatest period of english literature, the themes provided excellent critics a high number of novels. such examples include anthony burgess, anthony powell and frank kermode, all of which can be placed under the progressive view.