A.) What famous Greek wrote about the Peloponnesian War?

Thucydides, (born 460 bc or earlier? —died after 404 bc?), greatest of ancient Greek historians and author of the History of the Peloponnesian War, which recounts the struggle between Athens and Sparta in the 5th century bc. His work was the first recorded political and moral analysis of a nation's war policies.

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Thucydides

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answer; (a) he was a u.s senator for 38 years;