The impact of the Peloponnesian War on Greece was C. The Golden Age of Greece began to decline.
This refers to the ancient Greek war that was fought between the Delian and Peloponnesian leagues that was headed by Sparta. It lasted for thirty years.
Hence, we can see that the main impact which this war had on Greece, in general, was that there was the eroding of the Golden Age of Greece, based on the loss of lives and property in a long, protracted war.
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