
The criminals Donald Trump and Vladimir Putin both believe that might is right. The whole question fascinated the ancient Greeks.
In his famous history of the long war between Athens and Sparta (431-404 bc), Thucydides (d. c. 400 bc) explored the question through speeches on both sides, but on one occasion – when Athens demanded the surrender of the small island of Melos – he put it in the form of a debate.

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